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Finding the Fourth Proportional to 336,631.40, 504,266.70 and 209,882.60

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Solution

The fourth proportional to 336,631.40, 504,266.70 and 209,882.60 is: 314,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,631.40 : 504,266.70 = 209,882.60 : x
  2. Step 2: Convert to fraction form
    336,631.40/504,266.70 = 209,882.60/x
  3. Step 3: Cross multiply
    336,631.40x = 504,266.70 × 209,882.60
  4. Step 4: Simplify right side
    336,631.40x = 105,836,806,089.42
  5. Step 5: Solve for x
    x = 105,836,806,089.42/336,631.40
  6. Step 6: Final answer
    x = 314,399.68

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