Home / 290,668.26-401,494.22-222,269.84

Finding the Fourth Proportional to 290,668.26, 401,494.22 and 222,269.84

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Solution

The fourth proportional to 290,668.26, 401,494.22 and 222,269.84 is: 307,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,668.26 : 401,494.22 = 222,269.84 : x
  2. Step 2: Convert to fraction form
    290,668.26/401,494.22 = 222,269.84/x
  3. Step 3: Cross multiply
    290,668.26x = 401,494.22 × 222,269.84
  4. Step 4: Simplify right side
    290,668.26x = 89,240,056,040.32
  5. Step 5: Solve for x
    x = 89,240,056,040.32/290,668.26
  6. Step 6: Final answer
    x = 307,016.86

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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.