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Finding the Fourth Proportional to 300,426.80, 449,473.80 and 195,450.80

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Solution

The fourth proportional to 300,426.80, 449,473.80 and 195,450.80 is: 292,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,426.80 : 449,473.80 = 195,450.80 : x
  2. Step 2: Convert to fraction form
    300,426.80/449,473.80 = 195,450.80/x
  3. Step 3: Cross multiply
    300,426.80x = 449,473.80 × 195,450.80
  4. Step 4: Simplify right side
    300,426.80x = 87,850,013,789.04
  5. Step 5: Solve for x
    x = 87,850,013,789.04/300,426.80
  6. Step 6: Final answer
    x = 292,417.37

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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.