Finding the Fourth Proportional to 345,446.97, 518,170.46 and 134,937.28
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Solution
The fourth proportional to 345,446.97, 518,170.46 and 134,937.28 is: 202,405.92
Step by Step Solution
- Step 1: Write the proportion equation
345,446.97 : 518,170.46 = 134,937.28 : x - Step 2: Convert to fraction form
345,446.97/518,170.46 = 134,937.28/x - Step 3: Cross multiply
345,446.97x = 518,170.46 × 134,937.28 - Step 4: Simplify right side
345,446.97x = 69,920,512,421.78 - Step 5: Solve for x
x = 69,920,512,421.78/345,446.97 - Step 6: Final answer
x = 202,405.92
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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.