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Finding the Fourth Proportional to 268,934.80, 403,402.20 and 111,470.80

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Solution

The fourth proportional to 268,934.80, 403,402.20 and 111,470.80 is: 167,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,934.80 : 403,402.20 = 111,470.80 : x
  2. Step 2: Convert to fraction form
    268,934.80/403,402.20 = 111,470.80/x
  3. Step 3: Cross multiply
    268,934.80x = 403,402.20 × 111,470.80
  4. Step 4: Simplify right side
    268,934.80x = 44,967,565,955.76
  5. Step 5: Solve for x
    x = 44,967,565,955.76/268,934.80
  6. Step 6: Final answer
    x = 167,206.20

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