Home / 269,426.80-371,831.12-148,591.72

Finding the Fourth Proportional to 269,426.80, 371,831.12 and 148,591.72

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Solution

The fourth proportional to 269,426.80, 371,831.12 and 148,591.72 is: 205,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,426.80 : 371,831.12 = 148,591.72 : x
  2. Step 2: Convert to fraction form
    269,426.80/371,831.12 = 148,591.72/x
  3. Step 3: Cross multiply
    269,426.80x = 371,831.12 × 148,591.72
  4. Step 4: Simplify right side
    269,426.80x = 55,251,025,670.33
  5. Step 5: Solve for x
    x = 55,251,025,670.33/269,426.80
  6. Step 6: Final answer
    x = 205,068.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.