Home / 403,745.68-557,166.30-222,453.42

Finding the Fourth Proportional to 403,745.68, 557,166.30 and 222,453.42

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Solution

The fourth proportional to 403,745.68, 557,166.30 and 222,453.42 is: 306,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,745.68 : 557,166.30 = 222,453.42 : x
  2. Step 2: Convert to fraction form
    403,745.68/557,166.30 = 222,453.42/x
  3. Step 3: Cross multiply
    403,745.68x = 557,166.30 × 222,453.42
  4. Step 4: Simplify right side
    403,745.68x = 123,943,548,943.75
  5. Step 5: Solve for x
    x = 123,943,548,943.75/403,745.68
  6. Step 6: Final answer
    x = 306,984.21

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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.