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Finding the Fourth Proportional to 276,667.20, 415,195.20 and 177,069.60

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Solution

The fourth proportional to 276,667.20, 415,195.20 and 177,069.60 is: 265,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,667.20 : 415,195.20 = 177,069.60 : x
  2. Step 2: Convert to fraction form
    276,667.20/415,195.20 = 177,069.60/x
  3. Step 3: Cross multiply
    276,667.20x = 415,195.20 × 177,069.60
  4. Step 4: Simplify right side
    276,667.20x = 73,518,447,985.92
  5. Step 5: Solve for x
    x = 73,518,447,985.92/276,667.20
  6. Step 6: Final answer
    x = 265,728.82

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