Finding the Fourth Proportional to 232,149.26, 320,432.41 and 136,711.31
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Solution
The fourth proportional to 232,149.26, 320,432.41 and 136,711.31 is: 188,700.73
Step by Step Solution
- Step 1: Write the proportion equation
232,149.26 : 320,432.41 = 136,711.31 : x - Step 2: Convert to fraction form
232,149.26/320,432.41 = 136,711.31/x - Step 3: Cross multiply
232,149.26x = 320,432.41 × 136,711.31 - Step 4: Simplify right side
232,149.26x = 43,806,733,854.00 - Step 5: Solve for x
x = 43,806,733,854.00/232,149.26 - Step 6: Final answer
x = 188,700.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.