Home / 222,427.13-306,948.03-120,450.97

Finding the Fourth Proportional to 222,427.13, 306,948.03 and 120,450.97

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Solution

The fourth proportional to 222,427.13, 306,948.03 and 120,450.97 is: 166,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,427.13 : 306,948.03 = 120,450.97 : x
  2. Step 2: Convert to fraction form
    222,427.13/306,948.03 = 120,450.97/x
  3. Step 3: Cross multiply
    222,427.13x = 306,948.03 × 120,450.97
  4. Step 4: Simplify right side
    222,427.13x = 36,972,186,418.35
  5. Step 5: Solve for x
    x = 36,972,186,418.35/222,427.13
  6. Step 6: Final answer
    x = 166,221.57

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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.