Home / 403,871.52-557,339.82-222,583.50

Finding the Fourth Proportional to 403,871.52, 557,339.82 and 222,583.50

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Solution

The fourth proportional to 403,871.52, 557,339.82 and 222,583.50 is: 307,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,871.52 : 557,339.82 = 222,583.50 : x
  2. Step 2: Convert to fraction form
    403,871.52/557,339.82 = 222,583.50/x
  3. Step 3: Cross multiply
    403,871.52x = 557,339.82 × 222,583.50
  4. Step 4: Simplify right side
    403,871.52x = 124,054,647,824.97
  5. Step 5: Solve for x
    x = 124,054,647,824.97/403,871.52
  6. Step 6: Final answer
    x = 307,163.64

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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.