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Finding the Fourth Proportional to 404,179.53, 557,771.63 and 222,897.88

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Solution

The fourth proportional to 404,179.53, 557,771.63 and 222,897.88 is: 307,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,179.53 : 557,771.63 = 222,897.88 : x
  2. Step 2: Convert to fraction form
    404,179.53/557,771.63 = 222,897.88/x
  3. Step 3: Cross multiply
    404,179.53x = 557,771.63 × 222,897.88
  4. Step 4: Simplify right side
    404,179.53x = 124,326,113,851.14
  5. Step 5: Solve for x
    x = 124,326,113,851.14/404,179.53
  6. Step 6: Final answer
    x = 307,601.21

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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.