Home / 300,276.03-449,947.49-189,234.75

Finding the Fourth Proportional to 300,276.03, 449,947.49 and 189,234.75

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Solution

The fourth proportional to 300,276.03, 449,947.49 and 189,234.75 is: 283,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,276.03 : 449,947.49 = 189,234.75 : x
  2. Step 2: Convert to fraction form
    300,276.03/449,947.49 = 189,234.75/x
  3. Step 3: Cross multiply
    300,276.03x = 449,947.49 × 189,234.75
  4. Step 4: Simplify right side
    300,276.03x = 85,145,699,837.10
  5. Step 5: Solve for x
    x = 85,145,699,837.10/300,276.03
  6. Step 6: Final answer
    x = 283,558.10

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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.