Finding the Fourth Proportional to 115,704.13, 173,376.68 and 80,234.63
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Solution
The fourth proportional to 115,704.13, 173,376.68 and 80,234.63 is: 120,227.46
Step by Step Solution
- Step 1: Write the proportion equation
115,704.13 : 173,376.68 = 80,234.63 : x - Step 2: Convert to fraction form
115,704.13/173,376.68 = 80,234.63/x - Step 3: Cross multiply
115,704.13x = 173,376.68 × 80,234.63 - Step 4: Simplify right side
115,704.13x = 13,910,813,802.70 - Step 5: Solve for x
x = 13,910,813,802.70/115,704.13 - Step 6: Final answer
x = 120,227.46
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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.