Home / 347,839.68-521,079.97-239,749.83

Finding the Fourth Proportional to 347,839.68, 521,079.97 and 239,749.83

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Solution

The fourth proportional to 347,839.68, 521,079.97 and 239,749.83 is: 359,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,839.68 : 521,079.97 = 239,749.83 : x
  2. Step 2: Convert to fraction form
    347,839.68/521,079.97 = 239,749.83/x
  3. Step 3: Cross multiply
    347,839.68x = 521,079.97 × 239,749.83
  4. Step 4: Simplify right side
    347,839.68x = 124,928,834,223.91
  5. Step 5: Solve for x
    x = 124,928,834,223.91/347,839.68
  6. Step 6: Final answer
    x = 359,156.36

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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.