Finding the Fourth Proportional to 173,812.20, 260,612.70 and 68,509.80
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Solution
The fourth proportional to 173,812.20, 260,612.70 and 68,509.80 is: 102,723.08
Step by Step Solution
- Step 1: Write the proportion equation
173,812.20 : 260,612.70 = 68,509.80 : x - Step 2: Convert to fraction form
173,812.20/260,612.70 = 68,509.80/x - Step 3: Cross multiply
173,812.20x = 260,612.70 × 68,509.80 - Step 4: Simplify right side
173,812.20x = 17,854,523,954.46 - Step 5: Solve for x
x = 17,854,523,954.46/173,812.20 - Step 6: Final answer
x = 102,723.08
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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.