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Finding the Fourth Proportional to 363,463.20, 545,000.40 and 126,813.60

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Solution

The fourth proportional to 363,463.20, 545,000.40 and 126,813.60 is: 190,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,463.20 : 545,000.40 = 126,813.60 : x
  2. Step 2: Convert to fraction form
    363,463.20/545,000.40 = 126,813.60/x
  3. Step 3: Cross multiply
    363,463.20x = 545,000.40 × 126,813.60
  4. Step 4: Simplify right side
    363,463.20x = 69,113,462,725.44
  5. Step 5: Solve for x
    x = 69,113,462,725.44/363,463.20
  6. Step 6: Final answer
    x = 190,152.57

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