Finding the Fourth Proportional to 417,874.72, 576,635.61 and 236,545.08
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Solution
The fourth proportional to 417,874.72, 576,635.61 and 236,545.08 is: 326,414.38
Step by Step Solution
- Step 1: Write the proportion equation
417,874.72 : 576,635.61 = 236,545.08 : x - Step 2: Convert to fraction form
417,874.72/576,635.61 = 236,545.08/x - Step 3: Cross multiply
417,874.72x = 576,635.61 × 236,545.08 - Step 4: Simplify right side
417,874.72x = 136,400,316,498.30 - Step 5: Solve for x
x = 136,400,316,498.30/417,874.72 - Step 6: Final answer
x = 326,414.38
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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.