Finding the Fourth Proportional to 217,115.39, 325,593.12 and 74,924.39
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Solution
The fourth proportional to 217,115.39, 325,593.12 and 74,924.39 is: 112,358.99
Step by Step Solution
- Step 1: Write the proportion equation
217,115.39 : 325,593.12 = 74,924.39 : x - Step 2: Convert to fraction form
217,115.39/325,593.12 = 74,924.39/x - Step 3: Cross multiply
217,115.39x = 325,593.12 × 74,924.39 - Step 4: Simplify right side
217,115.39x = 24,394,866,577.70 - Step 5: Solve for x
x = 24,394,866,577.70/217,115.39 - Step 6: Final answer
x = 112,358.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.