2 varying quantities are said to be in a relation of proportionality if they are multiplicatively connected to a constant
The value of this constant is called the coefficient of proportionality or proportionality constant
The relation is often denoted using the symbols ”∝” or ”~”:
- 𝑦 ∝ 𝑥
- 𝑦 ~ 𝑥
Proportion - Types
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Direct Proportion |
Inverse Proportion |
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𝑦 is directly proportional to 𝑥 if there is a non-zero constant 𝑘 such that:
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𝑦 is inversely proportional to 𝑥 if there is a non-zero constant 𝑘 such that:
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