Home / 749.03-1,123.55-201.26

Finding the Fourth Proportional to 749.03, 1,123.55 and 201.26

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Solution

The fourth proportional to 749.03, 1,123.55 and 201.26 is: 301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.03 : 1,123.55 = 201.26 : x
  2. Step 2: Convert to fraction form
    749.03/1,123.55 = 201.26/x
  3. Step 3: Cross multiply
    749.03x = 1,123.55 × 201.26
  4. Step 4: Simplify right side
    749.03x = 226,119.05
  5. Step 5: Solve for x
    x = 226,119.05/749.03
  6. Step 6: Final answer
    x = 301.88

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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.