Finding the Fourth Proportional to 574,129.50, 861,375.69 and 258,613.98
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Solution
The fourth proportional to 574,129.50, 861,375.69 and 258,613.98 is: 388,002.70
Step by Step Solution
- Step 1: Write the proportion equation
574,129.50 : 861,375.69 = 258,613.98 : x - Step 2: Convert to fraction form
574,129.50/861,375.69 = 258,613.98/x - Step 3: Cross multiply
574,129.50x = 861,375.69 × 258,613.98 - Step 4: Simplify right side
574,129.50x = 222,763,795,466.15 - Step 5: Solve for x
x = 222,763,795,466.15/574,129.50 - Step 6: Final answer
x = 388,002.70
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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.