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Finding the Fourth Proportional to 221,463.60, 332,195.40 and 155,108.40

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Solution

The fourth proportional to 221,463.60, 332,195.40 and 155,108.40 is: 232,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,463.60 : 332,195.40 = 155,108.40 : x
  2. Step 2: Convert to fraction form
    221,463.60/332,195.40 = 155,108.40/x
  3. Step 3: Cross multiply
    221,463.60x = 332,195.40 × 155,108.40
  4. Step 4: Simplify right side
    221,463.60x = 51,526,296,981.36
  5. Step 5: Solve for x
    x = 51,526,296,981.36/221,463.60
  6. Step 6: Final answer
    x = 232,662.60

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