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Finding the Fourth Proportional to 300,844.80, 450,381.60 and 222,309.36

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Solution

The fourth proportional to 300,844.80, 450,381.60 and 222,309.36 is: 332,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,844.80 : 450,381.60 = 222,309.36 : x
  2. Step 2: Convert to fraction form
    300,844.80/450,381.60 = 222,309.36/x
  3. Step 3: Cross multiply
    300,844.80x = 450,381.60 × 222,309.36
  4. Step 4: Simplify right side
    300,844.80x = 100,124,045,251.78
  5. Step 5: Solve for x
    x = 100,124,045,251.78/300,844.80
  6. Step 6: Final answer
    x = 332,809.63

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1.5x scale

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.