Home / 287,317.13-395,837.43-226,865.71

Finding the Fourth Proportional to 287,317.13, 395,837.43 and 226,865.71

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Solution

The fourth proportional to 287,317.13, 395,837.43 and 226,865.71 is: 312,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,317.13 : 395,837.43 = 226,865.71 : x
  2. Step 2: Convert to fraction form
    287,317.13/395,837.43 = 226,865.71/x
  3. Step 3: Cross multiply
    287,317.13x = 395,837.43 × 226,865.71
  4. Step 4: Simplify right side
    287,317.13x = 89,801,940,521.70
  5. Step 5: Solve for x
    x = 89,801,940,521.70/287,317.13
  6. Step 6: Final answer
    x = 312,553.39

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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.