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Finding the Fourth Proportional to 323,890.60, 485,179.80 and 183,485.20

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Solution

The fourth proportional to 323,890.60, 485,179.80 and 183,485.20 is: 274,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,890.60 : 485,179.80 = 183,485.20 : x
  2. Step 2: Convert to fraction form
    323,890.60/485,179.80 = 183,485.20/x
  3. Step 3: Cross multiply
    323,890.60x = 485,179.80 × 183,485.20
  4. Step 4: Simplify right side
    323,890.60x = 89,023,312,638.96
  5. Step 5: Solve for x
    x = 89,023,312,638.96/323,890.60
  6. Step 6: Final answer
    x = 274,856.12

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