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Finding the Fourth Proportional to 367,494.80, 551,242.20 and 320,838.80

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Solution

The fourth proportional to 367,494.80, 551,242.20 and 320,838.80 is: 481,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,494.80 : 551,242.20 = 320,838.80 : x
  2. Step 2: Convert to fraction form
    367,494.80/551,242.20 = 320,838.80/x
  3. Step 3: Cross multiply
    367,494.80x = 551,242.20 × 320,838.80
  4. Step 4: Simplify right side
    367,494.80x = 176,859,885,957.36
  5. Step 5: Solve for x
    x = 176,859,885,957.36/367,494.80
  6. Step 6: Final answer
    x = 481,258.20

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