Home / 259,344.12-389,036.22-99,496.56

Finding the Fourth Proportional to 259,344.12, 389,036.22 and 99,496.56

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Solution

The fourth proportional to 259,344.12, 389,036.22 and 99,496.56 is: 149,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,344.12 : 389,036.22 = 99,496.56 : x
  2. Step 2: Convert to fraction form
    259,344.12/389,036.22 = 99,496.56/x
  3. Step 3: Cross multiply
    259,344.12x = 389,036.22 × 99,496.56
  4. Step 4: Simplify right side
    259,344.12x = 38,707,765,605.40
  5. Step 5: Solve for x
    x = 38,707,765,605.40/259,344.12
  6. Step 6: Final answer
    x = 149,252.53

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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.