Finding the Fourth Proportional to 487,487.26, 731,246.10 and 132,508.81
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Solution
The fourth proportional to 487,487.26, 731,246.10 and 132,508.81 is: 198,767.35
Step by Step Solution
- Step 1: Write the proportion equation
487,487.26 : 731,246.10 = 132,508.81 : x - Step 2: Convert to fraction form
487,487.26/731,246.10 = 132,508.81/x - Step 3: Cross multiply
487,487.26x = 731,246.10 × 132,508.81 - Step 4: Simplify right side
487,487.26x = 96,896,550,528.14 - Step 5: Solve for x
x = 96,896,550,528.14/487,487.26 - Step 6: Final answer
x = 198,767.35
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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.