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Finding the Fourth Proportional to 264,967.20, 397,450.80 and 180,986.40

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Solution

The fourth proportional to 264,967.20, 397,450.80 and 180,986.40 is: 271,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,967.20 : 397,450.80 = 180,986.40 : x
  2. Step 2: Convert to fraction form
    264,967.20/397,450.80 = 180,986.40/x
  3. Step 3: Cross multiply
    264,967.20x = 397,450.80 × 180,986.40
  4. Step 4: Simplify right side
    264,967.20x = 71,933,189,469.12
  5. Step 5: Solve for x
    x = 71,933,189,469.12/264,967.20
  6. Step 6: Final answer
    x = 271,479.60

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