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Finding the Fourth Proportional to 352,169.20, 486,080.22 and 216,235.72

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Solution

The fourth proportional to 352,169.20, 486,080.22 and 216,235.72 is: 298,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,169.20 : 486,080.22 = 216,235.72 : x
  2. Step 2: Convert to fraction form
    352,169.20/486,080.22 = 216,235.72/x
  3. Step 3: Cross multiply
    352,169.20x = 486,080.22 × 216,235.72
  4. Step 4: Simplify right side
    352,169.20x = 105,107,906,349.46
  5. Step 5: Solve for x
    x = 105,107,906,349.46/352,169.20
  6. Step 6: Final answer
    x = 298,458.54

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