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Finding the Fourth Proportional to 437,231.60, 655,847.40 and 156,777.20

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Solution

The fourth proportional to 437,231.60, 655,847.40 and 156,777.20 is: 235,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,231.60 : 655,847.40 = 156,777.20 : x
  2. Step 2: Convert to fraction form
    437,231.60/655,847.40 = 156,777.20/x
  3. Step 3: Cross multiply
    437,231.60x = 655,847.40 × 156,777.20
  4. Step 4: Simplify right side
    437,231.60x = 102,821,918,999.28
  5. Step 5: Solve for x
    x = 102,821,918,999.28/437,231.60
  6. Step 6: Final answer
    x = 235,165.80

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