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Finding the Fourth Proportional to 320,842.20, 481,608.90 and 180,874.20

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Solution

The fourth proportional to 320,842.20, 481,608.90 and 180,874.20 is: 271,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,842.20 : 481,608.90 = 180,874.20 : x
  2. Step 2: Convert to fraction form
    320,842.20/481,608.90 = 180,874.20/x
  3. Step 3: Cross multiply
    320,842.20x = 481,608.90 × 180,874.20
  4. Step 4: Simplify right side
    320,842.20x = 87,110,624,500.38
  5. Step 5: Solve for x
    x = 87,110,624,500.38/320,842.20
  6. Step 6: Final answer
    x = 271,506.13

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