Home / 439,266.57-658,147.89-239,727.12

Finding the Fourth Proportional to 439,266.57, 658,147.89 and 239,727.12

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Solution

The fourth proportional to 439,266.57, 658,147.89 and 239,727.12 is: 359,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,266.57 : 658,147.89 = 239,727.12 : x
  2. Step 2: Convert to fraction form
    439,266.57/658,147.89 = 239,727.12/x
  3. Step 3: Cross multiply
    439,266.57x = 658,147.89 × 239,727.12
  4. Step 4: Simplify right side
    439,266.57x = 157,775,898,203.78
  5. Step 5: Solve for x
    x = 157,775,898,203.78/439,266.57
  6. Step 6: Final answer
    x = 359,180.30

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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.