Home / 276,332.01-381,310.97-155,470.64

Finding the Fourth Proportional to 276,332.01, 381,310.97 and 155,470.64

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Solution

The fourth proportional to 276,332.01, 381,310.97 and 155,470.64 is: 214,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,332.01 : 381,310.97 = 155,470.64 : x
  2. Step 2: Convert to fraction form
    276,332.01/381,310.97 = 155,470.64/x
  3. Step 3: Cross multiply
    276,332.01x = 381,310.97 × 155,470.64
  4. Step 4: Simplify right side
    276,332.01x = 59,282,660,443.15
  5. Step 5: Solve for x
    x = 59,282,660,443.15/276,332.01
  6. Step 6: Final answer
    x = 214,534.18

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1.5x scale

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.