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Finding the Fourth Proportional to 365,268.60, 547,643.70 and 140,542.20

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Solution

The fourth proportional to 365,268.60, 547,643.70 and 140,542.20 is: 210,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,268.60 : 547,643.70 = 140,542.20 : x
  2. Step 2: Convert to fraction form
    365,268.60/547,643.70 = 140,542.20/x
  3. Step 3: Cross multiply
    365,268.60x = 547,643.70 × 140,542.20
  4. Step 4: Simplify right side
    365,268.60x = 76,967,050,414.14
  5. Step 5: Solve for x
    x = 76,967,050,414.14/365,268.60
  6. Step 6: Final answer
    x = 210,713.57

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