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Finding the Fourth Proportional to 404,093.20, 557,652.99 and 222,805.48

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Solution

The fourth proportional to 404,093.20, 557,652.99 and 222,805.48 is: 307,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,093.20 : 557,652.99 = 222,805.48 : x
  2. Step 2: Convert to fraction form
    404,093.20/557,652.99 = 222,805.48/x
  3. Step 3: Cross multiply
    404,093.20x = 557,652.99 × 222,805.48
  4. Step 4: Simplify right side
    404,093.20x = 124,248,142,110.39
  5. Step 5: Solve for x
    x = 124,248,142,110.39/404,093.20
  6. Step 6: Final answer
    x = 307,473.97

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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.