Home / 284,512.28-426,831.92-107,020.76

Finding the Fourth Proportional to 284,512.28, 426,831.92 and 107,020.76

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Solution

The fourth proportional to 284,512.28, 426,831.92 and 107,020.76 is: 160,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,512.28 : 426,831.92 = 107,020.76 : x
  2. Step 2: Convert to fraction form
    284,512.28/426,831.92 = 107,020.76/x
  3. Step 3: Cross multiply
    284,512.28x = 426,831.92 × 107,020.76
  4. Step 4: Simplify right side
    284,512.28x = 45,679,876,470.66
  5. Step 5: Solve for x
    x = 45,679,876,470.66/284,512.28
  6. Step 6: Final answer
    x = 160,555.03

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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.