Home / 400,825.26-553,137.66-226,376.37

Finding the Fourth Proportional to 400,825.26, 553,137.66 and 226,376.37

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Solution

The fourth proportional to 400,825.26, 553,137.66 and 226,376.37 is: 312,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,825.26 : 553,137.66 = 226,376.37 : x
  2. Step 2: Convert to fraction form
    400,825.26/553,137.66 = 226,376.37/x
  3. Step 3: Cross multiply
    400,825.26x = 553,137.66 × 226,376.37
  4. Step 4: Simplify right side
    400,825.26x = 125,217,295,581.09
  5. Step 5: Solve for x
    x = 125,217,295,581.09/400,825.26
  6. Step 6: Final answer
    x = 312,398.71

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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.