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Finding the Fourth Proportional to 363,941.80, 545,912.70 and 127,308.40

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Solution

The fourth proportional to 363,941.80, 545,912.70 and 127,308.40 is: 190,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,941.80 : 545,912.70 = 127,308.40 : x
  2. Step 2: Convert to fraction form
    363,941.80/545,912.70 = 127,308.40/x
  3. Step 3: Cross multiply
    363,941.80x = 545,912.70 × 127,308.40
  4. Step 4: Simplify right side
    363,941.80x = 69,499,272,376.68
  5. Step 5: Solve for x
    x = 69,499,272,376.68/363,941.80
  6. Step 6: Final answer
    x = 190,962.60

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