Finding the Fourth Proportional to 470,744.13, 649,939.71 and 361,654.17
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Solution
The fourth proportional to 470,744.13, 649,939.71 and 361,654.17 is: 499,323.07
Step by Step Solution
- Step 1: Write the proportion equation
470,744.13 : 649,939.71 = 361,654.17 : x - Step 2: Convert to fraction form
470,744.13/649,939.71 = 361,654.17/x - Step 3: Cross multiply
470,744.13x = 649,939.71 × 361,654.17 - Step 4: Simplify right side
470,744.13x = 235,053,406,370.09 - Step 5: Solve for x
x = 235,053,406,370.09/470,744.13 - Step 6: Final answer
x = 499,323.07
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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.