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Finding the Fourth Proportional to 276,685.20, 415,027.80 and 164,710.80

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Solution

The fourth proportional to 276,685.20, 415,027.80 and 164,710.80 is: 247,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,685.20 : 415,027.80 = 164,710.80 : x
  2. Step 2: Convert to fraction form
    276,685.20/415,027.80 = 164,710.80/x
  3. Step 3: Cross multiply
    276,685.20x = 415,027.80 × 164,710.80
  4. Step 4: Simplify right side
    276,685.20x = 68,359,560,960.24
  5. Step 5: Solve for x
    x = 68,359,560,960.24/276,685.20
  6. Step 6: Final answer
    x = 247,066.20

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