Finding the Fourth Proportional to 187,541.76, 281,221.92 and 69,268.80
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Solution
The fourth proportional to 187,541.76, 281,221.92 and 69,268.80 is: 103,869.69
Step by Step Solution
- Step 1: Write the proportion equation
187,541.76 : 281,221.92 = 69,268.80 : x - Step 2: Convert to fraction form
187,541.76/281,221.92 = 69,268.80/x - Step 3: Cross multiply
187,541.76x = 281,221.92 × 69,268.80 - Step 4: Simplify right side
187,541.76x = 19,479,904,932.10 - Step 5: Solve for x
x = 19,479,904,932.10/187,541.76 - Step 6: Final answer
x = 103,869.69
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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.