Finding the Fourth Proportional to 253,006.60, 379,572.19 and 178,272.69
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Solution
The fourth proportional to 253,006.60, 379,572.19 and 178,272.69 is: 267,452.92
Step by Step Solution
- Step 1: Write the proportion equation
253,006.60 : 379,572.19 = 178,272.69 : x - Step 2: Convert to fraction form
253,006.60/379,572.19 = 178,272.69/x - Step 3: Cross multiply
253,006.60x = 379,572.19 × 178,272.69 - Step 4: Simplify right side
253,006.60x = 67,667,354,469.13 - Step 5: Solve for x
x = 67,667,354,469.13/253,006.60 - Step 6: Final answer
x = 267,452.92
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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.