Finding the Fourth Proportional to 194,689.80, 292,034.70 and 132,481.80
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Solution
The fourth proportional to 194,689.80, 292,034.70 and 132,481.80 is: 198,722.70
Step by Step Solution
- Step 1: Write the proportion equation
194,689.80 : 292,034.70 = 132,481.80 : x - Step 2: Convert to fraction form
194,689.80/292,034.70 = 132,481.80/x - Step 3: Cross multiply
194,689.80x = 292,034.70 × 132,481.80 - Step 4: Simplify right side
194,689.80x = 38,689,282,718.46 - Step 5: Solve for x
x = 38,689,282,718.46/194,689.80 - Step 6: Final answer
x = 198,722.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.