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Finding the Fourth Proportional to 302,698.20, 454,047.30 and 269,455.80

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Solution

The fourth proportional to 302,698.20, 454,047.30 and 269,455.80 is: 404,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,698.20 : 454,047.30 = 269,455.80 : x
  2. Step 2: Convert to fraction form
    302,698.20/454,047.30 = 269,455.80/x
  3. Step 3: Cross multiply
    302,698.20x = 454,047.30 × 269,455.80
  4. Step 4: Simplify right side
    302,698.20x = 122,345,678,459.34
  5. Step 5: Solve for x
    x = 122,345,678,459.34/302,698.20
  6. Step 6: Final answer
    x = 404,183.70

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