Home / 278,473.03-384,606.24-188,201.87

Finding the Fourth Proportional to 278,473.03, 384,606.24 and 188,201.87

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Solution

The fourth proportional to 278,473.03, 384,606.24 and 188,201.87 is: 259,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,473.03 : 384,606.24 = 188,201.87 : x
  2. Step 2: Convert to fraction form
    278,473.03/384,606.24 = 188,201.87/x
  3. Step 3: Cross multiply
    278,473.03x = 384,606.24 × 188,201.87
  4. Step 4: Simplify right side
    278,473.03x = 72,383,613,837.43
  5. Step 5: Solve for x
    x = 72,383,613,837.43/278,473.03
  6. Step 6: Final answer
    x = 259,930.43

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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.