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Finding the Fourth Proportional to 300,830.87, 451,249.95 and 101,150.48

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Solution

The fourth proportional to 300,830.87, 451,249.95 and 101,150.48 is: 151,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,830.87 : 451,249.95 = 101,150.48 : x
  2. Step 2: Convert to fraction form
    300,830.87/451,249.95 = 101,150.48/x
  3. Step 3: Cross multiply
    300,830.87x = 451,249.95 × 101,150.48
  4. Step 4: Simplify right side
    300,830.87x = 45,644,150,549.92
  5. Step 5: Solve for x
    x = 45,644,150,549.92/300,830.87
  6. Step 6: Final answer
    x = 151,726.95

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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.