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Finding the Fourth Proportional to 312,226.56, 430,871.76 and 168,986.52

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Solution

The fourth proportional to 312,226.56, 430,871.76 and 168,986.52 is: 233,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,226.56 : 430,871.76 = 168,986.52 : x
  2. Step 2: Convert to fraction form
    312,226.56/430,871.76 = 168,986.52/x
  3. Step 3: Cross multiply
    312,226.56x = 430,871.76 × 168,986.52
  4. Step 4: Simplify right side
    312,226.56x = 72,811,519,288.68
  5. Step 5: Solve for x
    x = 72,811,519,288.68/312,226.56
  6. Step 6: Final answer
    x = 233,200.91

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