Home / 439,204.62-658,800.01-139,680.87

Finding the Fourth Proportional to 439,204.62, 658,800.01 and 139,680.87

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Solution

The fourth proportional to 439,204.62, 658,800.01 and 139,680.87 is: 209,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,204.62 : 658,800.01 = 139,680.87 : x
  2. Step 2: Convert to fraction form
    439,204.62/658,800.01 = 139,680.87/x
  3. Step 3: Cross multiply
    439,204.62x = 658,800.01 × 139,680.87
  4. Step 4: Simplify right side
    439,204.62x = 92,021,758,433.02
  5. Step 5: Solve for x
    x = 92,021,758,433.02/439,204.62
  6. Step 6: Final answer
    x = 209,519.11

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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.