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Finding the Fourth Proportional to 404,212.82, 557,801.65 and 222,924.64

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Solution

The fourth proportional to 404,212.82, 557,801.65 and 222,924.64 is: 307,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,212.82 : 557,801.65 = 222,924.64 : x
  2. Step 2: Convert to fraction form
    404,212.82/557,801.65 = 222,924.64/x
  3. Step 3: Cross multiply
    404,212.82x = 557,801.65 × 222,924.64
  4. Step 4: Simplify right side
    404,212.82x = 124,347,732,017.66
  5. Step 5: Solve for x
    x = 124,347,732,017.66/404,212.82
  6. Step 6: Final answer
    x = 307,629.36

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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.