Home / 276,559.14-381,687.96-155,723.97

Finding the Fourth Proportional to 276,559.14, 381,687.96 and 155,723.97

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Solution

The fourth proportional to 276,559.14, 381,687.96 and 155,723.97 is: 214,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,559.14 : 381,687.96 = 155,723.97 : x
  2. Step 2: Convert to fraction form
    276,559.14/381,687.96 = 155,723.97/x
  3. Step 3: Cross multiply
    276,559.14x = 381,687.96 × 155,723.97
  4. Step 4: Simplify right side
    276,559.14x = 59,437,963,643.74
  5. Step 5: Solve for x
    x = 59,437,963,643.74/276,559.14
  6. Step 6: Final answer
    x = 214,919.55

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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.