Home / 276,797.56-381,982.08-155,944.12

Finding the Fourth Proportional to 276,797.56, 381,982.08 and 155,944.12

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Solution

The fourth proportional to 276,797.56, 381,982.08 and 155,944.12 is: 215,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,797.56 : 381,982.08 = 155,944.12 : x
  2. Step 2: Convert to fraction form
    276,797.56/381,982.08 = 155,944.12/x
  3. Step 3: Cross multiply
    276,797.56x = 381,982.08 × 155,944.12
  4. Step 4: Simplify right side
    276,797.56x = 59,567,859,321.37
  5. Step 5: Solve for x
    x = 59,567,859,321.37/276,797.56
  6. Step 6: Final answer
    x = 215,203.70

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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.