Finding the Fourth Proportional to 159,872.69, 220,625.84 and 88,251.17
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Solution
The fourth proportional to 159,872.69, 220,625.84 and 88,251.17 is: 121,787.46
Step by Step Solution
- Step 1: Write the proportion equation
159,872.69 : 220,625.84 = 88,251.17 : x - Step 2: Convert to fraction form
159,872.69/220,625.84 = 88,251.17/x - Step 3: Cross multiply
159,872.69x = 220,625.84 × 88,251.17 - Step 4: Simplify right side
159,872.69x = 19,470,488,512.23 - Step 5: Solve for x
x = 19,470,488,512.23/159,872.69 - Step 6: Final answer
x = 121,787.46
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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.