Home / 223,624.38-335,438.34-81,571.44

Finding the Fourth Proportional to 223,624.38, 335,438.34 and 81,571.44

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Solution

The fourth proportional to 223,624.38, 335,438.34 and 81,571.44 is: 122,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,624.38 : 335,438.34 = 81,571.44 : x
  2. Step 2: Convert to fraction form
    223,624.38/335,438.34 = 81,571.44/x
  3. Step 3: Cross multiply
    223,624.38x = 335,438.34 × 81,571.44
  4. Step 4: Simplify right side
    223,624.38x = 27,362,188,425.01
  5. Step 5: Solve for x
    x = 27,362,188,425.01/223,624.38
  6. Step 6: Final answer
    x = 122,357.81

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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.