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Finding the Fourth Proportional to 324,489.72, 485,550.42 and 191,433.72

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Solution

The fourth proportional to 324,489.72, 485,550.42 and 191,433.72 is: 286,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,489.72 : 485,550.42 = 191,433.72 : x
  2. Step 2: Convert to fraction form
    324,489.72/485,550.42 = 191,433.72/x
  3. Step 3: Cross multiply
    324,489.72x = 485,550.42 × 191,433.72
  4. Step 4: Simplify right side
    324,489.72x = 92,950,723,148.16
  5. Step 5: Solve for x
    x = 92,950,723,148.16/324,489.72
  6. Step 6: Final answer
    x = 286,451.98

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