Finding the Fourth Proportional to 468,229.38, 646,817.49 and 372,613.74
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Solution
The fourth proportional to 468,229.38, 646,817.49 and 372,613.74 is: 514,732.94
Step by Step Solution
- Step 1: Write the proportion equation
468,229.38 : 646,817.49 = 372,613.74 : x - Step 2: Convert to fraction form
468,229.38/646,817.49 = 372,613.74/x - Step 3: Cross multiply
468,229.38x = 646,817.49 × 372,613.74 - Step 4: Simplify right side
468,229.38x = 241,013,084,046.31 - Step 5: Solve for x
x = 241,013,084,046.31/468,229.38 - Step 6: Final answer
x = 514,732.94
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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.