Finding the Fourth Proportional to 658,159.40, 987,239.10 and 377,445.80
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Solution
The fourth proportional to 658,159.40, 987,239.10 and 377,445.80 is: 566,168.70
Step by Step Solution
- Step 1: Write the proportion equation
658,159.40 : 987,239.10 = 377,445.80 : x - Step 2: Convert to fraction form
658,159.40/987,239.10 = 377,445.80/x - Step 3: Cross multiply
658,159.40x = 987,239.10 × 377,445.80 - Step 4: Simplify right side
658,159.40x = 372,629,251,890.78 - Step 5: Solve for x
x = 372,629,251,890.78/658,159.40 - Step 6: Final answer
x = 566,168.70
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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.