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Finding the Fourth Proportional to 367,053.55, 550,416.30 and 142,339.30

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Solution

The fourth proportional to 367,053.55, 550,416.30 and 142,339.30 is: 213,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,053.55 : 550,416.30 = 142,339.30 : x
  2. Step 2: Convert to fraction form
    367,053.55/550,416.30 = 142,339.30/x
  3. Step 3: Cross multiply
    367,053.55x = 550,416.30 × 142,339.30
  4. Step 4: Simplify right side
    367,053.55x = 78,345,870,850.59
  5. Step 5: Solve for x
    x = 78,345,870,850.59/367,053.55
  6. Step 6: Final answer
    x = 213,445.34

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