Home / 401,116.26-553,540.53-219,835.38

Finding the Fourth Proportional to 401,116.26, 553,540.53 and 219,835.38

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Solution

The fourth proportional to 401,116.26, 553,540.53 and 219,835.38 is: 303,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,116.26 : 553,540.53 = 219,835.38 : x
  2. Step 2: Convert to fraction form
    401,116.26/553,540.53 = 219,835.38/x
  3. Step 3: Cross multiply
    401,116.26x = 553,540.53 × 219,835.38
  4. Step 4: Simplify right side
    401,116.26x = 121,687,792,757.95
  5. Step 5: Solve for x
    x = 121,687,792,757.95/401,116.26
  6. Step 6: Final answer
    x = 303,372.87

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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.