Home / 222,260.85-306,719.37-120,286.53

Finding the Fourth Proportional to 222,260.85, 306,719.37 and 120,286.53

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Solution

The fourth proportional to 222,260.85, 306,719.37 and 120,286.53 is: 165,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,260.85 : 306,719.37 = 120,286.53 : x
  2. Step 2: Convert to fraction form
    222,260.85/306,719.37 = 120,286.53/x
  3. Step 3: Cross multiply
    222,260.85x = 306,719.37 × 120,286.53
  4. Step 4: Simplify right side
    222,260.85x = 36,894,208,701.09
  5. Step 5: Solve for x
    x = 36,894,208,701.09/222,260.85
  6. Step 6: Final answer
    x = 165,995.09

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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.