Home / 404,021.05-557,553.34-222,739.47

Finding the Fourth Proportional to 404,021.05, 557,553.34 and 222,739.47

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Solution

The fourth proportional to 404,021.05, 557,553.34 and 222,739.47 is: 307,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,021.05 : 557,553.34 = 222,739.47 : x
  2. Step 2: Convert to fraction form
    404,021.05/557,553.34 = 222,739.47/x
  3. Step 3: Cross multiply
    404,021.05x = 557,553.34 × 222,739.47
  4. Step 4: Simplify right side
    404,021.05x = 124,189,132,660.56
  5. Step 5: Solve for x
    x = 124,189,132,660.56/404,021.05
  6. Step 6: Final answer
    x = 307,382.83

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1.5x scale

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.