Finding the Fourth Proportional to 207,098.70, 310,451.14 and 132,008.05
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Solution
The fourth proportional to 207,098.70, 310,451.14 and 132,008.05 is: 197,886.56
Step by Step Solution
- Step 1: Write the proportion equation
207,098.70 : 310,451.14 = 132,008.05 : x - Step 2: Convert to fraction form
207,098.70/310,451.14 = 132,008.05/x - Step 3: Cross multiply
207,098.70x = 310,451.14 × 132,008.05 - Step 4: Simplify right side
207,098.70x = 40,982,049,611.68 - Step 5: Solve for x
x = 40,982,049,611.68/207,098.70 - Step 6: Final answer
x = 197,886.56
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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.