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Finding the Fourth Proportional to 264,861.60, 396,985.20 and 106,986.40

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Solution

The fourth proportional to 264,861.60, 396,985.20 and 106,986.40 is: 160,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,861.60 : 396,985.20 = 106,986.40 : x
  2. Step 2: Convert to fraction form
    264,861.60/396,985.20 = 106,986.40/x
  3. Step 3: Cross multiply
    264,861.60x = 396,985.20 × 106,986.40
  4. Step 4: Simplify right side
    264,861.60x = 42,472,017,401.28
  5. Step 5: Solve for x
    x = 42,472,017,401.28/264,861.60
  6. Step 6: Final answer
    x = 160,355.51

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