Home / 222,271.11-306,734.52-120,296.70

Finding the Fourth Proportional to 222,271.11, 306,734.52 and 120,296.70

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Solution

The fourth proportional to 222,271.11, 306,734.52 and 120,296.70 is: 166,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,271.11 : 306,734.52 = 120,296.70 : x
  2. Step 2: Convert to fraction form
    222,271.11/306,734.52 = 120,296.70/x
  3. Step 3: Cross multiply
    222,271.11x = 306,734.52 × 120,296.70
  4. Step 4: Simplify right side
    222,271.11x = 36,899,150,532.08
  5. Step 5: Solve for x
    x = 36,899,150,532.08/222,271.11
  6. Step 6: Final answer
    x = 166,009.66

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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.