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Finding the Fourth Proportional to 228,781.68, 343,226.99 and 79,023.21

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Solution

The fourth proportional to 228,781.68, 343,226.99 and 79,023.21 is: 118,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,781.68 : 343,226.99 = 79,023.21 : x
  2. Step 2: Convert to fraction form
    228,781.68/343,226.99 = 79,023.21/x
  3. Step 3: Cross multiply
    228,781.68x = 343,226.99 × 79,023.21
  4. Step 4: Simplify right side
    228,781.68x = 27,122,898,508.44
  5. Step 5: Solve for x
    x = 27,122,898,508.44/228,781.68
  6. Step 6: Final answer
    x = 118,553.63

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