Finding the Fourth Proportional to 392,496.36, 588,389.05 and 272,609.92
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Solution
The fourth proportional to 392,496.36, 588,389.05 and 272,609.92 is: 408,667.97
Step by Step Solution
- Step 1: Write the proportion equation
392,496.36 : 588,389.05 = 272,609.92 : x - Step 2: Convert to fraction form
392,496.36/588,389.05 = 272,609.92/x - Step 3: Cross multiply
392,496.36x = 588,389.05 × 272,609.92 - Step 4: Simplify right side
392,496.36x = 160,400,691,849.38 - Step 5: Solve for x
x = 160,400,691,849.38/392,496.36 - Step 6: Final answer
x = 408,667.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.