Finding the Fourth Proportional to 461,251.80, 691,877.70 and 367,939.80
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Solution
The fourth proportional to 461,251.80, 691,877.70 and 367,939.80 is: 551,909.70
Step by Step Solution
- Step 1: Write the proportion equation
461,251.80 : 691,877.70 = 367,939.80 : x - Step 2: Convert to fraction form
461,251.80/691,877.70 = 367,939.80/x - Step 3: Cross multiply
461,251.80x = 691,877.70 × 367,939.80 - Step 4: Simplify right side
461,251.80x = 254,569,342,562.46 - Step 5: Solve for x
x = 254,569,342,562.46/461,251.80 - Step 6: Final answer
x = 551,909.70
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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.