Home / 276,614.17-381,723.91-155,767.39

Finding the Fourth Proportional to 276,614.17, 381,723.91 and 155,767.39

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Solution

The fourth proportional to 276,614.17, 381,723.91 and 155,767.39 is: 214,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,614.17 : 381,723.91 = 155,767.39 : x
  2. Step 2: Convert to fraction form
    276,614.17/381,723.91 = 155,767.39/x
  3. Step 3: Cross multiply
    276,614.17x = 381,723.91 × 155,767.39
  4. Step 4: Simplify right side
    276,614.17x = 59,460,135,817.57
  5. Step 5: Solve for x
    x = 59,460,135,817.57/276,614.17
  6. Step 6: Final answer
    x = 214,956.94

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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.