Finding the Fourth Proportional to 232,708.41, 321,141.97 and 129,352.31
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Solution
The fourth proportional to 232,708.41, 321,141.97 and 129,352.31 is: 178,508.61
Step by Step Solution
- Step 1: Write the proportion equation
232,708.41 : 321,141.97 = 129,352.31 : x - Step 2: Convert to fraction form
232,708.41/321,141.97 = 129,352.31/x - Step 3: Cross multiply
232,708.41x = 321,141.97 × 129,352.31 - Step 4: Simplify right side
232,708.41x = 41,540,455,010.69 - Step 5: Solve for x
x = 41,540,455,010.69/232,708.41 - Step 6: Final answer
x = 178,508.61
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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.