Finding the Fourth Proportional to 417,685.10, 576,306.64 and 236,397.03
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Solution
The fourth proportional to 417,685.10, 576,306.64 and 236,397.03 is: 326,171.99
Step by Step Solution
- Step 1: Write the proportion equation
417,685.10 : 576,306.64 = 236,397.03 : x - Step 2: Convert to fraction form
417,685.10/576,306.64 = 236,397.03/x - Step 3: Cross multiply
417,685.10x = 576,306.64 × 236,397.03 - Step 4: Simplify right side
417,685.10x = 136,237,179,441.35 - Step 5: Solve for x
x = 136,237,179,441.35/417,685.10 - Step 6: Final answer
x = 326,171.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.