Home / 410,154.20-615,229.48-110,665.22

Finding the Fourth Proportional to 410,154.20, 615,229.48 and 110,665.22

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Solution

The fourth proportional to 410,154.20, 615,229.48 and 110,665.22 is: 165,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,154.20 : 615,229.48 = 110,665.22 : x
  2. Step 2: Convert to fraction form
    410,154.20/615,229.48 = 110,665.22/x
  3. Step 3: Cross multiply
    410,154.20x = 615,229.48 × 110,665.22
  4. Step 4: Simplify right side
    410,154.20x = 68,084,505,754.69
  5. Step 5: Solve for x
    x = 68,084,505,754.69/410,154.20
  6. Step 6: Final answer
    x = 165,997.34

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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.