Finding the Fourth Proportional to 312,414.26, 468,524.42 and 112,708.62
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Solution
The fourth proportional to 312,414.26, 468,524.42 and 112,708.62 is: 169,027.95
Step by Step Solution
- Step 1: Write the proportion equation
312,414.26 : 468,524.42 = 112,708.62 : x - Step 2: Convert to fraction form
312,414.26/468,524.42 = 112,708.62/x - Step 3: Cross multiply
312,414.26x = 468,524.42 × 112,708.62 - Step 4: Simplify right side
312,414.26x = 52,806,740,250.96 - Step 5: Solve for x
x = 52,806,740,250.96/312,414.26 - Step 6: Final answer
x = 169,027.95
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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.