Finding the Fourth Proportional to 690,691.92, 1,036,169.11 and 241,540.44
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Solution
The fourth proportional to 690,691.92, 1,036,169.11 and 241,540.44 is: 362,356.55
Step by Step Solution
- Step 1: Write the proportion equation
690,691.92 : 1,036,169.11 = 241,540.44 : x - Step 2: Convert to fraction form
690,691.92/1,036,169.11 = 241,540.44/x - Step 3: Cross multiply
690,691.92x = 1,036,169.11 × 241,540.44 - Step 4: Simplify right side
690,691.92x = 250,276,742,743.81 - Step 5: Solve for x
x = 250,276,742,743.81/690,691.92 - Step 6: Final answer
x = 362,356.55
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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.