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Finding the Fourth Proportional to 217,340.70, 326,011.05 and 146,481.90

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Solution

The fourth proportional to 217,340.70, 326,011.05 and 146,481.90 is: 219,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,340.70 : 326,011.05 = 146,481.90 : x
  2. Step 2: Convert to fraction form
    217,340.70/326,011.05 = 146,481.90/x
  3. Step 3: Cross multiply
    217,340.70x = 326,011.05 × 146,481.90
  4. Step 4: Simplify right side
    217,340.70x = 47,754,718,025.00
  5. Step 5: Solve for x
    x = 47,754,718,025.00/217,340.70
  6. Step 6: Final answer
    x = 219,722.85

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