Home / 303,844.13-418,949.25-207,105.26

Finding the Fourth Proportional to 303,844.13, 418,949.25 and 207,105.26

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Solution

The fourth proportional to 303,844.13, 418,949.25 and 207,105.26 is: 285,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,844.13 : 418,949.25 = 207,105.26 : x
  2. Step 2: Convert to fraction form
    303,844.13/418,949.25 = 207,105.26/x
  3. Step 3: Cross multiply
    303,844.13x = 418,949.25 × 207,105.26
  4. Step 4: Simplify right side
    303,844.13x = 86,766,594,395.43
  5. Step 5: Solve for x
    x = 86,766,594,395.43/303,844.13
  6. Step 6: Final answer
    x = 285,562.84

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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.