Finding the Fourth Proportional to 361,792.86, 542,771.97 and 125,135.31
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Solution
The fourth proportional to 361,792.86, 542,771.97 and 125,135.31 is: 187,731.56
Step by Step Solution
- Step 1: Write the proportion equation
361,792.86 : 542,771.97 = 125,135.31 : x - Step 2: Convert to fraction form
361,792.86/542,771.97 = 125,135.31/x - Step 3: Cross multiply
361,792.86x = 542,771.97 × 125,135.31 - Step 4: Simplify right side
361,792.86x = 67,919,938,725.26 - Step 5: Solve for x
x = 67,919,938,725.26/361,792.86 - Step 6: Final answer
x = 187,731.56
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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.