Finding the Fourth Proportional to 178,044.70, 267,067.05 and 53,385.70
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Solution
The fourth proportional to 178,044.70, 267,067.05 and 53,385.70 is: 80,078.55
Step by Step Solution
- Step 1: Write the proportion equation
178,044.70 : 267,067.05 = 53,385.70 : x - Step 2: Convert to fraction form
178,044.70/267,067.05 = 53,385.70/x - Step 3: Cross multiply
178,044.70x = 267,067.05 × 53,385.70 - Step 4: Simplify right side
178,044.70x = 14,257,561,411.19 - Step 5: Solve for x
x = 14,257,561,411.19/178,044.70 - Step 6: Final answer
x = 80,078.55
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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.