Finding the Fourth Proportional to 123,614.70, 185,341.05 and 48,689.70
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Solution
The fourth proportional to 123,614.70, 185,341.05 and 48,689.70 is: 73,002.65
Step by Step Solution
- Step 1: Write the proportion equation
123,614.70 : 185,341.05 = 48,689.70 : x - Step 2: Convert to fraction form
123,614.70/185,341.05 = 48,689.70/x - Step 3: Cross multiply
123,614.70x = 185,341.05 × 48,689.70 - Step 4: Simplify right side
123,614.70x = 9,024,200,122.19 - Step 5: Solve for x
x = 9,024,200,122.19/123,614.70 - Step 6: Final answer
x = 73,002.65
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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.