Home / 300,037.20-449,983.80-173,403.60

Finding the Fourth Proportional to 300,037.20, 449,983.80 and 173,403.60

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Solution

The fourth proportional to 300,037.20, 449,983.80 and 173,403.60 is: 260,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,037.20 : 449,983.80 = 173,403.60 : x
  2. Step 2: Convert to fraction form
    300,037.20/449,983.80 = 173,403.60/x
  3. Step 3: Cross multiply
    300,037.20x = 449,983.80 × 173,403.60
  4. Step 4: Simplify right side
    300,037.20x = 78,028,810,861.68
  5. Step 5: Solve for x
    x = 78,028,810,861.68/300,037.20
  6. Step 6: Final answer
    x = 260,063.79

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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.