Finding the Fourth Proportional to 238,761.14, 329,537.09 and 136,854.83
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Solution
The fourth proportional to 238,761.14, 329,537.09 and 136,854.83 is: 188,886.45
Step by Step Solution
- Step 1: Write the proportion equation
238,761.14 : 329,537.09 = 136,854.83 : x - Step 2: Convert to fraction form
238,761.14/329,537.09 = 136,854.83/x - Step 3: Cross multiply
238,761.14x = 329,537.09 × 136,854.83 - Step 4: Simplify right side
238,761.14x = 45,098,743,596.62 - Step 5: Solve for x
x = 45,098,743,596.62/238,761.14 - Step 6: Final answer
x = 188,886.45
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1.5x scale
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.