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Finding the Fourth Proportional to 300,093.30, 449,535.15 and 187,427.70

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Solution

The fourth proportional to 300,093.30, 449,535.15 and 187,427.70 is: 280,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,093.30 : 449,535.15 = 187,427.70 : x
  2. Step 2: Convert to fraction form
    300,093.30/449,535.15 = 187,427.70/x
  3. Step 3: Cross multiply
    300,093.30x = 449,535.15 × 187,427.70
  4. Step 4: Simplify right side
    300,093.30x = 84,255,339,233.66
  5. Step 5: Solve for x
    x = 84,255,339,233.66/300,093.30
  6. Step 6: Final answer
    x = 280,763.81

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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.