Home / 259,082.31-387,938.19-203,036.79

Finding the Fourth Proportional to 259,082.31, 387,938.19 and 203,036.79

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Solution

The fourth proportional to 259,082.31, 387,938.19 and 203,036.79 is: 304,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,082.31 : 387,938.19 = 203,036.79 : x
  2. Step 2: Convert to fraction form
    259,082.31/387,938.19 = 203,036.79/x
  3. Step 3: Cross multiply
    259,082.31x = 387,938.19 × 203,036.79
  4. Step 4: Simplify right side
    259,082.31x = 78,765,724,816.01
  5. Step 5: Solve for x
    x = 78,765,724,816.01/259,082.31
  6. Step 6: Final answer
    x = 304,018.15

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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.