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Finding the Fourth Proportional to 365,512.20, 548,268.30 and 155,122.80

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Solution

The fourth proportional to 365,512.20, 548,268.30 and 155,122.80 is: 232,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,512.20 : 548,268.30 = 155,122.80 : x
  2. Step 2: Convert to fraction form
    365,512.20/548,268.30 = 155,122.80/x
  3. Step 3: Cross multiply
    365,512.20x = 548,268.30 × 155,122.80
  4. Step 4: Simplify right side
    365,512.20x = 85,048,913,847.24
  5. Step 5: Solve for x
    x = 85,048,913,847.24/365,512.20
  6. Step 6: Final answer
    x = 232,684.20

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