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Finding the Fourth Proportional to 219,680.40, 329,520.60 and 196,352.40

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Solution

The fourth proportional to 219,680.40, 329,520.60 and 196,352.40 is: 294,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,680.40 : 329,520.60 = 196,352.40 : x
  2. Step 2: Convert to fraction form
    219,680.40/329,520.60 = 196,352.40/x
  3. Step 3: Cross multiply
    219,680.40x = 329,520.60 × 196,352.40
  4. Step 4: Simplify right side
    219,680.40x = 64,702,160,659.44
  5. Step 5: Solve for x
    x = 64,702,160,659.44/219,680.40
  6. Step 6: Final answer
    x = 294,528.60

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