Finding the Fourth Proportional to 144,821.22, 217,120.62 and 54,862.62
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Solution
The fourth proportional to 144,821.22, 217,120.62 and 54,862.62 is: 82,251.80
Step by Step Solution
- Step 1: Write the proportion equation
144,821.22 : 217,120.62 = 54,862.62 : x - Step 2: Convert to fraction form
144,821.22/217,120.62 = 54,862.62/x - Step 3: Cross multiply
144,821.22x = 217,120.62 × 54,862.62 - Step 4: Simplify right side
144,821.22x = 11,911,806,069.22 - Step 5: Solve for x
x = 11,911,806,069.22/144,821.22 - Step 6: Final answer
x = 82,251.80
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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.