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Finding the Fourth Proportional to 404,032.68, 557,568.71 and 222,751.04

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Solution

The fourth proportional to 404,032.68, 557,568.71 and 222,751.04 is: 307,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,032.68 : 557,568.71 = 222,751.04 : x
  2. Step 2: Convert to fraction form
    404,032.68/557,568.71 = 222,751.04/x
  3. Step 3: Cross multiply
    404,032.68x = 557,568.71 × 222,751.04
  4. Step 4: Simplify right side
    404,032.68x = 124,199,006,122.36
  5. Step 5: Solve for x
    x = 124,199,006,122.36/404,032.68
  6. Step 6: Final answer
    x = 307,398.42

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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.