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Finding the Fourth Proportional to 363,890.80, 545,836.20 and 114,540.40

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Solution

The fourth proportional to 363,890.80, 545,836.20 and 114,540.40 is: 171,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,890.80 : 545,836.20 = 114,540.40 : x
  2. Step 2: Convert to fraction form
    363,890.80/545,836.20 = 114,540.40/x
  3. Step 3: Cross multiply
    363,890.80x = 545,836.20 × 114,540.40
  4. Step 4: Simplify right side
    363,890.80x = 62,520,296,682.48
  5. Step 5: Solve for x
    x = 62,520,296,682.48/363,890.80
  6. Step 6: Final answer
    x = 171,810.60

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