Home / 229,160.56-343,786.20-71,382.28

Finding the Fourth Proportional to 229,160.56, 343,786.20 and 71,382.28

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Solution

The fourth proportional to 229,160.56, 343,786.20 and 71,382.28 is: 107,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,160.56 : 343,786.20 = 71,382.28 : x
  2. Step 2: Convert to fraction form
    229,160.56/343,786.20 = 71,382.28/x
  3. Step 3: Cross multiply
    229,160.56x = 343,786.20 × 71,382.28
  4. Step 4: Simplify right side
    229,160.56x = 24,540,242,788.54
  5. Step 5: Solve for x
    x = 24,540,242,788.54/229,160.56
  6. Step 6: Final answer
    x = 107,087.55

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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.