Finding the Fourth Proportional to 173,640.68, 260,622.30 and 68,532.20
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Solution
The fourth proportional to 173,640.68, 260,622.30 and 68,532.20 is: 102,861.95
Step by Step Solution
- Step 1: Write the proportion equation
173,640.68 : 260,622.30 = 68,532.20 : x - Step 2: Convert to fraction form
173,640.68/260,622.30 = 68,532.20/x - Step 3: Cross multiply
173,640.68x = 260,622.30 × 68,532.20 - Step 4: Simplify right side
173,640.68x = 17,861,019,588.06 - Step 5: Solve for x
x = 17,861,019,588.06/173,640.68 - Step 6: Final answer
x = 102,861.95
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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.