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Finding the Fourth Proportional to 363,963.60, 545,945.40 and 127,281.60

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Solution

The fourth proportional to 363,963.60, 545,945.40 and 127,281.60 is: 190,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,963.60 : 545,945.40 = 127,281.60 : x
  2. Step 2: Convert to fraction form
    363,963.60/545,945.40 = 127,281.60/x
  3. Step 3: Cross multiply
    363,963.60x = 545,945.40 × 127,281.60
  4. Step 4: Simplify right side
    363,963.60x = 69,488,804,024.64
  5. Step 5: Solve for x
    x = 69,488,804,024.64/363,963.60
  6. Step 6: Final answer
    x = 190,922.40

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