Finding the Fourth Proportional to 206,540.97, 285,003.41 and 115,878.08
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Solution
The fourth proportional to 206,540.97, 285,003.41 and 115,878.08 is: 159,898.76
Step by Step Solution
- Step 1: Write the proportion equation
206,540.97 : 285,003.41 = 115,878.08 : x - Step 2: Convert to fraction form
206,540.97/285,003.41 = 115,878.08/x - Step 3: Cross multiply
206,540.97x = 285,003.41 × 115,878.08 - Step 4: Simplify right side
206,540.97x = 33,025,645,939.85 - Step 5: Solve for x
x = 33,025,645,939.85/206,540.97 - Step 6: Final answer
x = 159,898.76
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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.