Finding the Fourth Proportional to 186,966.92, 258,138.07 and 115,452.02
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Solution
The fourth proportional to 186,966.92, 258,138.07 and 115,452.02 is: 159,400.18
Step by Step Solution
- Step 1: Write the proportion equation
186,966.92 : 258,138.07 = 115,452.02 : x - Step 2: Convert to fraction form
186,966.92/258,138.07 = 115,452.02/x - Step 3: Cross multiply
186,966.92x = 258,138.07 × 115,452.02 - Step 4: Simplify right side
186,966.92x = 29,802,561,620.40 - Step 5: Solve for x
x = 29,802,561,620.40/186,966.92 - Step 6: Final answer
x = 159,400.18
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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.