Home / 653,149.76-979,761.16-203,932.68

Finding the Fourth Proportional to 653,149.76, 979,761.16 and 203,932.68

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Solution

The fourth proportional to 653,149.76, 979,761.16 and 203,932.68 is: 305,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,149.76 : 979,761.16 = 203,932.68 : x
  2. Step 2: Convert to fraction form
    653,149.76/979,761.16 = 203,932.68/x
  3. Step 3: Cross multiply
    653,149.76x = 979,761.16 × 203,932.68
  4. Step 4: Simplify right side
    653,149.76x = 199,805,319,118.71
  5. Step 5: Solve for x
    x = 199,805,319,118.71/653,149.76
  6. Step 6: Final answer
    x = 305,910.42

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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.