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Finding the Fourth Proportional to 218,281.12, 301,225.20 and 122,788.48

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Solution

The fourth proportional to 218,281.12, 301,225.20 and 122,788.48 is: 169,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,281.12 : 301,225.20 = 122,788.48 : x
  2. Step 2: Convert to fraction form
    218,281.12/301,225.20 = 122,788.48/x
  3. Step 3: Cross multiply
    218,281.12x = 301,225.20 × 122,788.48
  4. Step 4: Simplify right side
    218,281.12x = 36,986,984,445.70
  5. Step 5: Solve for x
    x = 36,986,984,445.70/218,281.12
  6. Step 6: Final answer
    x = 169,446.56

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