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Finding the Fourth Proportional to 323,904.40, 485,662.20 and 166,440.40

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Solution

The fourth proportional to 323,904.40, 485,662.20 and 166,440.40 is: 249,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,904.40 : 485,662.20 = 166,440.40 : x
  2. Step 2: Convert to fraction form
    323,904.40/485,662.20 = 166,440.40/x
  3. Step 3: Cross multiply
    323,904.40x = 485,662.20 × 166,440.40
  4. Step 4: Simplify right side
    323,904.40x = 80,833,810,832.88
  5. Step 5: Solve for x
    x = 80,833,810,832.88/323,904.40
  6. Step 6: Final answer
    x = 249,560.71

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