Finding the Fourth Proportional to 503,147.92, 754,721.92 and 129,170.96
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Solution
The fourth proportional to 503,147.92, 754,721.92 and 129,170.96 is: 193,756.45
Step by Step Solution
- Step 1: Write the proportion equation
503,147.92 : 754,721.92 = 129,170.96 : x - Step 2: Convert to fraction form
503,147.92/754,721.92 = 129,170.96/x - Step 3: Cross multiply
503,147.92x = 754,721.92 × 129,170.96 - Step 4: Simplify right side
503,147.92x = 97,488,154,939.44 - Step 5: Solve for x
x = 97,488,154,939.44/503,147.92 - Step 6: Final answer
x = 193,756.45
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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.