Home / 347,301.38-520,949.10-271,463.70

Finding the Fourth Proportional to 347,301.38, 520,949.10 and 271,463.70

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Solution

The fourth proportional to 347,301.38, 520,949.10 and 271,463.70 is: 407,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,301.38 : 520,949.10 = 271,463.70 : x
  2. Step 2: Convert to fraction form
    347,301.38/520,949.10 = 271,463.70/x
  3. Step 3: Cross multiply
    347,301.38x = 520,949.10 × 271,463.70
  4. Step 4: Simplify right side
    347,301.38x = 141,418,770,197.67
  5. Step 5: Solve for x
    x = 141,418,770,197.67/347,301.38
  6. Step 6: Final answer
    x = 407,193.23

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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.