Finding the Fourth Proportional to 229,151.68, 343,229.98 and 140,135.31
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Solution
The fourth proportional to 229,151.68, 343,229.98 and 140,135.31 is: 209,898.70
Step by Step Solution
- Step 1: Write the proportion equation
229,151.68 : 343,229.98 = 140,135.31 : x - Step 2: Convert to fraction form
229,151.68/343,229.98 = 140,135.31/x - Step 3: Cross multiply
229,151.68x = 343,229.98 × 140,135.31 - Step 4: Simplify right side
229,151.68x = 48,098,640,156.33 - Step 5: Solve for x
x = 48,098,640,156.33/229,151.68 - Step 6: Final answer
x = 209,898.70
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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.