Home / 259,104.11-388,877.70-101,443.28

Finding the Fourth Proportional to 259,104.11, 388,877.70 and 101,443.28

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Solution

The fourth proportional to 259,104.11, 388,877.70 and 101,443.28 is: 152,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,104.11 : 388,877.70 = 101,443.28 : x
  2. Step 2: Convert to fraction form
    259,104.11/388,877.70 = 101,443.28/x
  3. Step 3: Cross multiply
    259,104.11x = 388,877.70 × 101,443.28
  4. Step 4: Simplify right side
    259,104.11x = 39,449,029,406.86
  5. Step 5: Solve for x
    x = 39,449,029,406.86/259,104.11
  6. Step 6: Final answer
    x = 152,251.65

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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.