Finding the Fourth Proportional to 371,423.40, 557,135.10 and 134,773.80
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Solution
The fourth proportional to 371,423.40, 557,135.10 and 134,773.80 is: 202,160.70
Step by Step Solution
- Step 1: Write the proportion equation
371,423.40 : 557,135.10 = 134,773.80 : x - Step 2: Convert to fraction form
371,423.40/557,135.10 = 134,773.80/x - Step 3: Cross multiply
371,423.40x = 557,135.10 × 134,773.80 - Step 4: Simplify right side
371,423.40x = 75,087,214,540.38 - Step 5: Solve for x
x = 75,087,214,540.38/371,423.40 - Step 6: Final answer
x = 202,160.70
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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.