Home / 347,350.26-520,753.23-137,145.54

Finding the Fourth Proportional to 347,350.26, 520,753.23 and 137,145.54

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Solution

The fourth proportional to 347,350.26, 520,753.23 and 137,145.54 is: 205,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,350.26 : 520,753.23 = 137,145.54 : x
  2. Step 2: Convert to fraction form
    347,350.26/520,753.23 = 137,145.54/x
  3. Step 3: Cross multiply
    347,350.26x = 520,753.23 × 137,145.54
  4. Step 4: Simplify right side
    347,350.26x = 71,418,982,935.09
  5. Step 5: Solve for x
    x = 71,418,982,935.09/347,350.26
  6. Step 6: Final answer
    x = 205,610.85

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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.