Home / 320,842.44-481,262.94-131,391.06

Finding the Fourth Proportional to 320,842.44, 481,262.94 and 131,391.06

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Solution

The fourth proportional to 320,842.44, 481,262.94 and 131,391.06 is: 197,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,842.44 : 481,262.94 = 131,391.06 : x
  2. Step 2: Convert to fraction form
    320,842.44/481,262.94 = 131,391.06/x
  3. Step 3: Cross multiply
    320,842.44x = 481,262.94 × 131,391.06
  4. Step 4: Simplify right side
    320,842.44x = 63,233,647,825.32
  5. Step 5: Solve for x
    x = 63,233,647,825.32/320,842.44
  6. Step 6: Final answer
    x = 197,086.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.