Home / 276,236.46-381,194.91-153,723.96

Finding the Fourth Proportional to 276,236.46, 381,194.91 and 153,723.96

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Solution

The fourth proportional to 276,236.46, 381,194.91 and 153,723.96 is: 212,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,236.46 : 381,194.91 = 153,723.96 : x
  2. Step 2: Convert to fraction form
    276,236.46/381,194.91 = 153,723.96/x
  3. Step 3: Cross multiply
    276,236.46x = 381,194.91 × 153,723.96
  4. Step 4: Simplify right side
    276,236.46x = 58,598,791,097.04
  5. Step 5: Solve for x
    x = 58,598,791,097.04/276,236.46
  6. Step 6: Final answer
    x = 212,132.72

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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.