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Finding the Fourth Proportional to 353,763.96, 488,197.62 and 202,831.80

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Solution

The fourth proportional to 353,763.96, 488,197.62 and 202,831.80 is: 279,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,763.96 : 488,197.62 = 202,831.80 : x
  2. Step 2: Convert to fraction form
    353,763.96/488,197.62 = 202,831.80/x
  3. Step 3: Cross multiply
    353,763.96x = 488,197.62 × 202,831.80
  4. Step 4: Simplify right side
    353,763.96x = 99,022,002,020.32
  5. Step 5: Solve for x
    x = 99,022,002,020.32/353,763.96
  6. Step 6: Final answer
    x = 279,909.81

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