Finding the Fourth Proportional to 656,702.04, 985,108.95 and 207,302.70
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Solution
The fourth proportional to 656,702.04, 985,108.95 and 207,302.70 is: 310,971.69
Step by Step Solution
- Step 1: Write the proportion equation
656,702.04 : 985,108.95 = 207,302.70 : x - Step 2: Convert to fraction form
656,702.04/985,108.95 = 207,302.70/x - Step 3: Cross multiply
656,702.04x = 985,108.95 × 207,302.70 - Step 4: Simplify right side
656,702.04x = 204,215,745,129.17 - Step 5: Solve for x
x = 204,215,745,129.17/656,702.04 - Step 6: Final answer
x = 310,971.69
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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.