Home / 276,446.41-381,515.34-155,599.27

Finding the Fourth Proportional to 276,446.41, 381,515.34 and 155,599.27

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Solution

The fourth proportional to 276,446.41, 381,515.34 and 155,599.27 is: 214,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,446.41 : 381,515.34 = 155,599.27 : x
  2. Step 2: Convert to fraction form
    276,446.41/381,515.34 = 155,599.27/x
  3. Step 3: Cross multiply
    276,446.41x = 381,515.34 × 155,599.27
  4. Step 4: Simplify right side
    276,446.41x = 59,363,508,397.80
  5. Step 5: Solve for x
    x = 59,363,508,397.80/276,446.41
  6. Step 6: Final answer
    x = 214,737.85

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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.