Home / 299,183.20-412,831.96-171,858.78

Finding the Fourth Proportional to 299,183.20, 412,831.96 and 171,858.78

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Solution

The fourth proportional to 299,183.20, 412,831.96 and 171,858.78 is: 237,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,183.20 : 412,831.96 = 171,858.78 : x
  2. Step 2: Convert to fraction form
    299,183.20/412,831.96 = 171,858.78/x
  3. Step 3: Cross multiply
    299,183.20x = 412,831.96 × 171,858.78
  4. Step 4: Simplify right side
    299,183.20x = 70,948,796,990.61
  5. Step 5: Solve for x
    x = 70,948,796,990.61/299,183.20
  6. Step 6: Final answer
    x = 237,141.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.