Home / 226,578.78-312,551.19-135,910.62

Finding the Fourth Proportional to 226,578.78, 312,551.19 and 135,910.62

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Solution

The fourth proportional to 226,578.78, 312,551.19 and 135,910.62 is: 187,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,578.78 : 312,551.19 = 135,910.62 : x
  2. Step 2: Convert to fraction form
    226,578.78/312,551.19 = 135,910.62/x
  3. Step 3: Cross multiply
    226,578.78x = 312,551.19 × 135,910.62
  4. Step 4: Simplify right side
    226,578.78x = 42,479,026,014.64
  5. Step 5: Solve for x
    x = 42,479,026,014.64/226,578.78
  6. Step 6: Final answer
    x = 187,480.16

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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.