Home / 254,138.13-380,458.26-222,609.87

Finding the Fourth Proportional to 254,138.13, 380,458.26 and 222,609.87

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Solution

The fourth proportional to 254,138.13, 380,458.26 and 222,609.87 is: 333,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,138.13 : 380,458.26 = 222,609.87 : x
  2. Step 2: Convert to fraction form
    254,138.13/380,458.26 = 222,609.87/x
  3. Step 3: Cross multiply
    254,138.13x = 380,458.26 × 222,609.87
  4. Step 4: Simplify right side
    254,138.13x = 84,693,763,799.03
  5. Step 5: Solve for x
    x = 84,693,763,799.03/254,138.13
  6. Step 6: Final answer
    x = 333,258.78

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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.