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Finding the Fourth Proportional to 221,716.20, 332,574.30 and 162,667.20

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Solution

The fourth proportional to 221,716.20, 332,574.30 and 162,667.20 is: 244,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,716.20 : 332,574.30 = 162,667.20 : x
  2. Step 2: Convert to fraction form
    221,716.20/332,574.30 = 162,667.20/x
  3. Step 3: Cross multiply
    221,716.20x = 332,574.30 × 162,667.20
  4. Step 4: Simplify right side
    221,716.20x = 54,098,930,172.96
  5. Step 5: Solve for x
    x = 54,098,930,172.96/221,716.20
  6. Step 6: Final answer
    x = 244,000.80

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