Finding the Fourth Proportional to 232,879.28, 321,375.18 and 129,514.92
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Solution
The fourth proportional to 232,879.28, 321,375.18 and 129,514.92 is: 178,731.59
Step by Step Solution
- Step 1: Write the proportion equation
232,879.28 : 321,375.18 = 129,514.92 : x - Step 2: Convert to fraction form
232,879.28/321,375.18 = 129,514.92/x - Step 3: Cross multiply
232,879.28x = 321,375.18 × 129,514.92 - Step 4: Simplify right side
232,879.28x = 41,622,882,537.68 - Step 5: Solve for x
x = 41,622,882,537.68/232,879.28 - Step 6: Final answer
x = 178,731.59
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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.