Home / 276,380.04-381,269.16-168,763.85

Finding the Fourth Proportional to 276,380.04, 381,269.16 and 168,763.85

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Solution

The fourth proportional to 276,380.04, 381,269.16 and 168,763.85 is: 232,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,380.04 : 381,269.16 = 168,763.85 : x
  2. Step 2: Convert to fraction form
    276,380.04/381,269.16 = 168,763.85/x
  3. Step 3: Cross multiply
    276,380.04x = 381,269.16 × 168,763.85
  4. Step 4: Simplify right side
    276,380.04x = 64,344,451,327.87
  5. Step 5: Solve for x
    x = 64,344,451,327.87/276,380.04
  6. Step 6: Final answer
    x = 232,811.50

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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.