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Finding the Fourth Proportional to 367,923.80, 551,885.70 and 311,936.60

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Solution

The fourth proportional to 367,923.80, 551,885.70 and 311,936.60 is: 467,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,923.80 : 551,885.70 = 311,936.60 : x
  2. Step 2: Convert to fraction form
    367,923.80/551,885.70 = 311,936.60/x
  3. Step 3: Cross multiply
    367,923.80x = 551,885.70 × 311,936.60
  4. Step 4: Simplify right side
    367,923.80x = 172,153,348,846.62
  5. Step 5: Solve for x
    x = 172,153,348,846.62/367,923.80
  6. Step 6: Final answer
    x = 467,904.90

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