Home / 449,824.43-674,637.02-129,906.65

Finding the Fourth Proportional to 449,824.43, 674,637.02 and 129,906.65

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Solution

The fourth proportional to 449,824.43, 674,637.02 and 129,906.65 is: 194,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,824.43 : 674,637.02 = 129,906.65 : x
  2. Step 2: Convert to fraction form
    449,824.43/674,637.02 = 129,906.65/x
  3. Step 3: Cross multiply
    449,824.43x = 674,637.02 × 129,906.65
  4. Step 4: Simplify right side
    449,824.43x = 87,639,834,584.65
  5. Step 5: Solve for x
    x = 87,639,834,584.65/449,824.43
  6. Step 6: Final answer
    x = 194,831.20

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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.