Home / 227,309.06-313,664.28-131,805.20

Finding the Fourth Proportional to 227,309.06, 313,664.28 and 131,805.20

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Solution

The fourth proportional to 227,309.06, 313,664.28 and 131,805.20 is: 181,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,309.06 : 313,664.28 = 131,805.20 : x
  2. Step 2: Convert to fraction form
    227,309.06/313,664.28 = 131,805.20/x
  3. Step 3: Cross multiply
    227,309.06x = 313,664.28 × 131,805.20
  4. Step 4: Simplify right side
    227,309.06x = 41,342,581,589.93
  5. Step 5: Solve for x
    x = 41,342,581,589.93/227,309.06
  6. Step 6: Final answer
    x = 181,878.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.