Finding the Fourth Proportional to 656,711.04, 985,122.46 and 207,311.70
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Solution
The fourth proportional to 656,711.04, 985,122.46 and 207,311.70 is: 310,985.20
Step by Step Solution
- Step 1: Write the proportion equation
656,711.04 : 985,122.46 = 207,311.70 : x - Step 2: Convert to fraction form
656,711.04/985,122.46 = 207,311.70/x - Step 3: Cross multiply
656,711.04x = 985,122.46 × 207,311.70 - Step 4: Simplify right side
656,711.04x = 204,227,411,890.78 - Step 5: Solve for x
x = 204,227,411,890.78/656,711.04 - Step 6: Final answer
x = 310,985.20
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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.