Finding the Fourth Proportional to 424,447.18, 636,771.92 and 124,937.53
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Solution
The fourth proportional to 424,447.18, 636,771.92 and 124,937.53 is: 187,436.06
Step by Step Solution
- Step 1: Write the proportion equation
424,447.18 : 636,771.92 = 124,937.53 : x - Step 2: Convert to fraction form
424,447.18/636,771.92 = 124,937.53/x - Step 3: Cross multiply
424,447.18x = 636,771.92 × 124,937.53 - Step 4: Simplify right side
424,447.18x = 79,556,708,641.54 - Step 5: Solve for x
x = 79,556,708,641.54/424,447.18 - Step 6: Final answer
x = 187,436.06
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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.