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Finding the Fourth Proportional to 329,003.20, 493,735.20 and 142,148.80

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Solution

The fourth proportional to 329,003.20, 493,735.20 and 142,148.80 is: 213,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,003.20 : 493,735.20 = 142,148.80 : x
  2. Step 2: Convert to fraction form
    329,003.20/493,735.20 = 142,148.80/x
  3. Step 3: Cross multiply
    329,003.20x = 493,735.20 × 142,148.80
  4. Step 4: Simplify right side
    329,003.20x = 70,183,866,197.76
  5. Step 5: Solve for x
    x = 70,183,866,197.76/329,003.20
  6. Step 6: Final answer
    x = 213,322.75

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