Finding the Fourth Proportional to 503,129.92, 754,694.88 and 129,152.92
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Solution
The fourth proportional to 503,129.92, 754,694.88 and 129,152.92 is: 193,729.38
Step by Step Solution
- Step 1: Write the proportion equation
503,129.92 : 754,694.88 = 129,152.92 : x - Step 2: Convert to fraction form
503,129.92/754,694.88 = 129,152.92/x - Step 3: Cross multiply
503,129.92x = 754,694.88 × 129,152.92 - Step 4: Simplify right side
503,129.92x = 97,471,047,461.05 - Step 5: Solve for x
x = 97,471,047,461.05/503,129.92 - Step 6: Final answer
x = 193,729.38
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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.