Home / 410,222.80-615,305-110,720.44

Finding the Fourth Proportional to 410,222.80, 615,305 and 110,720.44

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Solution

The fourth proportional to 410,222.80, 615,305 and 110,720.44 is: 166,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,222.80 : 615,305 = 110,720.44 : x
  2. Step 2: Convert to fraction form
    410,222.80/615,305 = 110,720.44/x
  3. Step 3: Cross multiply
    410,222.80x = 615,305 × 110,720.44
  4. Step 4: Simplify right side
    410,222.80x = 68,126,840,334.20
  5. Step 5: Solve for x
    x = 68,126,840,334.20/410,222.80
  6. Step 6: Final answer
    x = 166,072.78

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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.