Home / 282,338.21-389,515.60-161,414.52

Finding the Fourth Proportional to 282,338.21, 389,515.60 and 161,414.52

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Solution

The fourth proportional to 282,338.21, 389,515.60 and 161,414.52 is: 222,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,338.21 : 389,515.60 = 161,414.52 : x
  2. Step 2: Convert to fraction form
    282,338.21/389,515.60 = 161,414.52/x
  3. Step 3: Cross multiply
    282,338.21x = 389,515.60 × 161,414.52
  4. Step 4: Simplify right side
    282,338.21x = 62,873,472,799.44
  5. Step 5: Solve for x
    x = 62,873,472,799.44/282,338.21
  6. Step 6: Final answer
    x = 222,688.51

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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.