Home / 226,636.48-339,993.60-121,427.20

Finding the Fourth Proportional to 226,636.48, 339,993.60 and 121,427.20

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Solution

The fourth proportional to 226,636.48, 339,993.60 and 121,427.20 is: 182,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,636.48 : 339,993.60 = 121,427.20 : x
  2. Step 2: Convert to fraction form
    226,636.48/339,993.60 = 121,427.20/x
  3. Step 3: Cross multiply
    226,636.48x = 339,993.60 × 121,427.20
  4. Step 4: Simplify right side
    226,636.48x = 41,284,470,865.92
  5. Step 5: Solve for x
    x = 41,284,470,865.92/226,636.48
  6. Step 6: Final answer
    x = 182,161.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.