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Finding the Fourth Proportional to 300,726.80, 451,205.40 and 296,003.60

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Solution

The fourth proportional to 300,726.80, 451,205.40 and 296,003.60 is: 444,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,726.80 : 451,205.40 = 296,003.60 : x
  2. Step 2: Convert to fraction form
    300,726.80/451,205.40 = 296,003.60/x
  3. Step 3: Cross multiply
    300,726.80x = 451,205.40 × 296,003.60
  4. Step 4: Simplify right side
    300,726.80x = 133,558,422,739.44
  5. Step 5: Solve for x
    x = 133,558,422,739.44/300,726.80
  6. Step 6: Final answer
    x = 444,118.79

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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.