Home / 222,260.85-306,719.39-120,286.51

Finding the Fourth Proportional to 222,260.85, 306,719.39 and 120,286.51

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Solution

The fourth proportional to 222,260.85, 306,719.39 and 120,286.51 is: 165,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,260.85 : 306,719.39 = 120,286.51 : x
  2. Step 2: Convert to fraction form
    222,260.85/306,719.39 = 120,286.51/x
  3. Step 3: Cross multiply
    222,260.85x = 306,719.39 × 120,286.51
  4. Step 4: Simplify right side
    222,260.85x = 36,894,204,506.35
  5. Step 5: Solve for x
    x = 36,894,204,506.35/222,260.85
  6. Step 6: Final answer
    x = 165,995.07

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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.