Home / 276,752.04-381,917.81-155,893.32

Finding the Fourth Proportional to 276,752.04, 381,917.81 and 155,893.32

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Solution

The fourth proportional to 276,752.04, 381,917.81 and 155,893.32 is: 215,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,752.04 : 381,917.81 = 155,893.32 : x
  2. Step 2: Convert to fraction form
    276,752.04/381,917.81 = 155,893.32/x
  3. Step 3: Cross multiply
    276,752.04x = 381,917.81 × 155,893.32
  4. Step 4: Simplify right side
    276,752.04x = 59,538,434,588.56
  5. Step 5: Solve for x
    x = 59,538,434,588.56/276,752.04
  6. Step 6: Final answer
    x = 215,132.78

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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.