Finding the Fourth Proportional to 144,753.23, 199,711.61 and 87,370.75
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Solution
The fourth proportional to 144,753.23, 199,711.61 and 87,370.75 is: 120,542.75
Step by Step Solution
- Step 1: Write the proportion equation
144,753.23 : 199,711.61 = 87,370.75 : x - Step 2: Convert to fraction form
144,753.23/199,711.61 = 87,370.75/x - Step 3: Cross multiply
144,753.23x = 199,711.61 × 87,370.75 - Step 4: Simplify right side
144,753.23x = 17,448,952,213.27 - Step 5: Solve for x
x = 17,448,952,213.27/144,753.23 - Step 6: Final answer
x = 120,542.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.