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Finding the Fourth Proportional to 354,208.76, 531,023.61 and 164,787.20

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Solution

The fourth proportional to 354,208.76, 531,023.61 and 164,787.20 is: 247,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,208.76 : 531,023.61 = 164,787.20 : x
  2. Step 2: Convert to fraction form
    354,208.76/531,023.61 = 164,787.20/x
  3. Step 3: Cross multiply
    354,208.76x = 531,023.61 × 164,787.20
  4. Step 4: Simplify right side
    354,208.76x = 87,505,893,825.79
  5. Step 5: Solve for x
    x = 87,505,893,825.79/354,208.76
  6. Step 6: Final answer
    x = 247,046.10

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