Home / 276,473.28-381,533.82-155,616.36

Finding the Fourth Proportional to 276,473.28, 381,533.82 and 155,616.36

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Solution

The fourth proportional to 276,473.28, 381,533.82 and 155,616.36 is: 214,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,473.28 : 381,533.82 = 155,616.36 : x
  2. Step 2: Convert to fraction form
    276,473.28/381,533.82 = 155,616.36/x
  3. Step 3: Cross multiply
    276,473.28x = 381,533.82 × 155,616.36
  4. Step 4: Simplify right side
    276,473.28x = 59,372,904,285.30
  5. Step 5: Solve for x
    x = 59,372,904,285.30/276,473.28
  6. Step 6: Final answer
    x = 214,750.97

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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.