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Finding the Fourth Proportional to 215,288.28, 297,180.50 and 161,728.65

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Solution

The fourth proportional to 215,288.28, 297,180.50 and 161,728.65 is: 223,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,288.28 : 297,180.50 = 161,728.65 : x
  2. Step 2: Convert to fraction form
    215,288.28/297,180.50 = 161,728.65/x
  3. Step 3: Cross multiply
    215,288.28x = 297,180.50 × 161,728.65
  4. Step 4: Simplify right side
    215,288.28x = 48,062,600,262.68
  5. Step 5: Solve for x
    x = 48,062,600,262.68/215,288.28
  6. Step 6: Final answer
    x = 223,247.64

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