Finding the Fourth Proportional to 284,744.98, 392,882.79 and 170,001.28
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Solution
The fourth proportional to 284,744.98, 392,882.79 and 170,001.28 is: 234,562.79
Step by Step Solution
- Step 1: Write the proportion equation
284,744.98 : 392,882.79 = 170,001.28 : x - Step 2: Convert to fraction form
284,744.98/392,882.79 = 170,001.28/x - Step 3: Cross multiply
284,744.98x = 392,882.79 × 170,001.28 - Step 4: Simplify right side
284,744.98x = 66,790,577,189.97 - Step 5: Solve for x
x = 66,790,577,189.97/284,744.98 - Step 6: Final answer
x = 234,562.79
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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.