Finding the Fourth Proportional to 149,857.43, 206,862.41 and 92,519.92
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Solution
The fourth proportional to 149,857.43, 206,862.41 and 92,519.92 is: 127,714.02
Step by Step Solution
- Step 1: Write the proportion equation
149,857.43 : 206,862.41 = 92,519.92 : x - Step 2: Convert to fraction form
149,857.43/206,862.41 = 92,519.92/x - Step 3: Cross multiply
149,857.43x = 206,862.41 × 92,519.92 - Step 4: Simplify right side
149,857.43x = 19,138,894,248.19 - Step 5: Solve for x
x = 19,138,894,248.19/149,857.43 - Step 6: Final answer
x = 127,714.02
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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.