Home / 226,023.47-340,388.72-205,845.36

Finding the Fourth Proportional to 226,023.47, 340,388.72 and 205,845.36

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Solution

The fourth proportional to 226,023.47, 340,388.72 and 205,845.36 is: 310,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,023.47 : 340,388.72 = 205,845.36 : x
  2. Step 2: Convert to fraction form
    226,023.47/340,388.72 = 205,845.36/x
  3. Step 3: Cross multiply
    226,023.47x = 340,388.72 × 205,845.36
  4. Step 4: Simplify right side
    226,023.47x = 70,067,437,579.11
  5. Step 5: Solve for x
    x = 70,067,437,579.11/226,023.47
  6. Step 6: Final answer
    x = 310,000.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.