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Finding the Fourth Proportional to 404,037.78, 557,576.02 and 222,756.74

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Solution

The fourth proportional to 404,037.78, 557,576.02 and 222,756.74 is: 307,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,037.78 : 557,576.02 = 222,756.74 : x
  2. Step 2: Convert to fraction form
    404,037.78/557,576.02 = 222,756.74/x
  3. Step 3: Cross multiply
    404,037.78x = 557,576.02 × 222,756.74
  4. Step 4: Simplify right side
    404,037.78x = 124,203,816,517.38
  5. Step 5: Solve for x
    x = 124,203,816,517.38/404,037.78
  6. Step 6: Final answer
    x = 307,406.44

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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.