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Finding the Fourth Proportional to 357,633.20, 536,449.80 and 191,745.20

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Solution

The fourth proportional to 357,633.20, 536,449.80 and 191,745.20 is: 287,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,633.20 : 536,449.80 = 191,745.20 : x
  2. Step 2: Convert to fraction form
    357,633.20/536,449.80 = 191,745.20/x
  3. Step 3: Cross multiply
    357,633.20x = 536,449.80 × 191,745.20
  4. Step 4: Simplify right side
    357,633.20x = 102,861,674,190.96
  5. Step 5: Solve for x
    x = 102,861,674,190.96/357,633.20
  6. Step 6: Final answer
    x = 287,617.80

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