Home / 276,373.92-381,397.66-155,517.24

Finding the Fourth Proportional to 276,373.92, 381,397.66 and 155,517.24

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Solution

The fourth proportional to 276,373.92, 381,397.66 and 155,517.24 is: 214,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,373.92 : 381,397.66 = 155,517.24 : x
  2. Step 2: Convert to fraction form
    276,373.92/381,397.66 = 155,517.24/x
  3. Step 3: Cross multiply
    276,373.92x = 381,397.66 × 155,517.24
  4. Step 4: Simplify right side
    276,373.92x = 59,313,911,425.66
  5. Step 5: Solve for x
    x = 59,313,911,425.66/276,373.92
  6. Step 6: Final answer
    x = 214,614.72

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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.