Home / 276,234.57-381,074.85-179,431.83

Finding the Fourth Proportional to 276,234.57, 381,074.85 and 179,431.83

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Solution

The fourth proportional to 276,234.57, 381,074.85 and 179,431.83 is: 247,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,234.57 : 381,074.85 = 179,431.83 : x
  2. Step 2: Convert to fraction form
    276,234.57/381,074.85 = 179,431.83/x
  3. Step 3: Cross multiply
    276,234.57x = 381,074.85 × 179,431.83
  4. Step 4: Simplify right side
    276,234.57x = 68,376,957,702.48
  5. Step 5: Solve for x
    x = 68,376,957,702.48/276,234.57
  6. Step 6: Final answer
    x = 247,532.22

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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.