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Finding the Fourth Proportional to 331,424.60, 497,136.90 and 109,808.60

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Solution

The fourth proportional to 331,424.60, 497,136.90 and 109,808.60 is: 164,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,424.60 : 497,136.90 = 109,808.60 : x
  2. Step 2: Convert to fraction form
    331,424.60/497,136.90 = 109,808.60/x
  3. Step 3: Cross multiply
    331,424.60x = 497,136.90 × 109,808.60
  4. Step 4: Simplify right side
    331,424.60x = 54,589,906,997.34
  5. Step 5: Solve for x
    x = 54,589,906,997.34/331,424.60
  6. Step 6: Final answer
    x = 164,712.90

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