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Finding the Fourth Proportional to 300,221.16, 414,237.42 and 179,338.84

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Solution

The fourth proportional to 300,221.16, 414,237.42 and 179,338.84 is: 247,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,221.16 : 414,237.42 = 179,338.84 : x
  2. Step 2: Convert to fraction form
    300,221.16/414,237.42 = 179,338.84/x
  3. Step 3: Cross multiply
    300,221.16x = 414,237.42 × 179,338.84
  4. Step 4: Simplify right side
    300,221.16x = 74,288,858,387.39
  5. Step 5: Solve for x
    x = 74,288,858,387.39/300,221.16
  6. Step 6: Final answer
    x = 247,447.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.