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Finding the Fourth Proportional to 276,255.20, 381,230.08 and 157,023.20

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Solution

The fourth proportional to 276,255.20, 381,230.08 and 157,023.20 is: 216,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,255.20 : 381,230.08 = 157,023.20 : x
  2. Step 2: Convert to fraction form
    276,255.20/381,230.08 = 157,023.20/x
  3. Step 3: Cross multiply
    276,255.20x = 381,230.08 × 157,023.20
  4. Step 4: Simplify right side
    276,255.20x = 59,861,967,097.86
  5. Step 5: Solve for x
    x = 59,861,967,097.86/276,255.20
  6. Step 6: Final answer
    x = 216,690.82

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