Finding the Fourth Proportional to 204,638.80, 282,414.92 and 124,073.68
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Solution
The fourth proportional to 204,638.80, 282,414.92 and 124,073.68 is: 171,229.79
Step by Step Solution
- Step 1: Write the proportion equation
204,638.80 : 282,414.92 = 124,073.68 : x - Step 2: Convert to fraction form
204,638.80/282,414.92 = 124,073.68/x - Step 3: Cross multiply
204,638.80x = 282,414.92 × 124,073.68 - Step 4: Simplify right side
204,638.80x = 35,040,258,411.31 - Step 5: Solve for x
x = 35,040,258,411.31/204,638.80 - Step 6: Final answer
x = 171,229.79
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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.