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Finding the Fourth Proportional to 367,035.55, 550,389.30 and 142,321.30

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Solution

The fourth proportional to 367,035.55, 550,389.30 and 142,321.30 is: 213,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,035.55 : 550,389.30 = 142,321.30 : x
  2. Step 2: Convert to fraction form
    367,035.55/550,389.30 = 142,321.30/x
  3. Step 3: Cross multiply
    367,035.55x = 550,389.30 × 142,321.30
  4. Step 4: Simplify right side
    367,035.55x = 78,332,120,682.09
  5. Step 5: Solve for x
    x = 78,332,120,682.09/367,035.55
  6. Step 6: Final answer
    x = 213,418.35

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