Home / 297,729.80-410,867.61-161,764.28

Finding the Fourth Proportional to 297,729.80, 410,867.61 and 161,764.28

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Solution

The fourth proportional to 297,729.80, 410,867.61 and 161,764.28 is: 223,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,729.80 : 410,867.61 = 161,764.28 : x
  2. Step 2: Convert to fraction form
    297,729.80/410,867.61 = 161,764.28/x
  3. Step 3: Cross multiply
    297,729.80x = 410,867.61 × 161,764.28
  4. Step 4: Simplify right side
    297,729.80x = 66,463,703,106.97
  5. Step 5: Solve for x
    x = 66,463,703,106.97/297,729.80
  6. Step 6: Final answer
    x = 223,234.97

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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.