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Finding the Fourth Proportional to 363,487.20, 545,230.80 and 251,512.80

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Solution

The fourth proportional to 363,487.20, 545,230.80 and 251,512.80 is: 377,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,487.20 : 545,230.80 = 251,512.80 : x
  2. Step 2: Convert to fraction form
    363,487.20/545,230.80 = 251,512.80/x
  3. Step 3: Cross multiply
    363,487.20x = 545,230.80 × 251,512.80
  4. Step 4: Simplify right side
    363,487.20x = 137,132,525,154.24
  5. Step 5: Solve for x
    x = 137,132,525,154.24/363,487.20
  6. Step 6: Final answer
    x = 377,269.20

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