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Finding the Fourth Proportional to 363,407.70, 545,111.55 and 251,433.30

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Solution

The fourth proportional to 363,407.70, 545,111.55 and 251,433.30 is: 377,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,407.70 : 545,111.55 = 251,433.30 : x
  2. Step 2: Convert to fraction form
    363,407.70/545,111.55 = 251,433.30/x
  3. Step 3: Cross multiply
    363,407.70x = 545,111.55 × 251,433.30
  4. Step 4: Simplify right side
    363,407.70x = 137,059,195,884.62
  5. Step 5: Solve for x
    x = 137,059,195,884.62/363,407.70
  6. Step 6: Final answer
    x = 377,149.95

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