Home / 300,965.85-451,467.17-101,269.47

Finding the Fourth Proportional to 300,965.85, 451,467.17 and 101,269.47

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Solution

The fourth proportional to 300,965.85, 451,467.17 and 101,269.47 is: 151,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,965.85 : 451,467.17 = 101,269.47 : x
  2. Step 2: Convert to fraction form
    300,965.85/451,467.17 = 101,269.47/x
  3. Step 3: Cross multiply
    300,965.85x = 451,467.17 × 101,269.47
  4. Step 4: Simplify right side
    300,965.85x = 45,719,840,521.95
  5. Step 5: Solve for x
    x = 45,719,840,521.95/300,965.85
  6. Step 6: Final answer
    x = 151,910.39

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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.