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Finding the Fourth Proportional to 300,378.97, 450,327.88 and 150,542.34

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Solution

The fourth proportional to 300,378.97, 450,327.88 and 150,542.34 is: 225,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,378.97 : 450,327.88 = 150,542.34 : x
  2. Step 2: Convert to fraction form
    300,378.97/450,327.88 = 150,542.34/x
  3. Step 3: Cross multiply
    300,378.97x = 450,327.88 × 150,542.34
  4. Step 4: Simplify right side
    300,378.97x = 67,793,412,822.44
  5. Step 5: Solve for x
    x = 67,793,412,822.44/300,378.97
  6. Step 6: Final answer
    x = 225,692.94

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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.