Finding the Fourth Proportional to 424,034.88, 636,129.12 and 174,580.80
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Solution
The fourth proportional to 424,034.88, 636,129.12 and 174,580.80 is: 261,902.82
Step by Step Solution
- Step 1: Write the proportion equation
424,034.88 : 636,129.12 = 174,580.80 : x - Step 2: Convert to fraction form
424,034.88/636,129.12 = 174,580.80/x - Step 3: Cross multiply
424,034.88x = 636,129.12 × 174,580.80 - Step 4: Simplify right side
424,034.88x = 111,055,930,672.90 - Step 5: Solve for x
x = 111,055,930,672.90/424,034.88 - Step 6: Final answer
x = 261,902.82
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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.