Home / 222,318.20-306,976.03-205,316.24

Finding the Fourth Proportional to 222,318.20, 306,976.03 and 205,316.24

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Solution

The fourth proportional to 222,318.20, 306,976.03 and 205,316.24 is: 283,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,318.20 : 306,976.03 = 205,316.24 : x
  2. Step 2: Convert to fraction form
    222,318.20/306,976.03 = 205,316.24/x
  3. Step 3: Cross multiply
    222,318.20x = 306,976.03 × 205,316.24
  4. Step 4: Simplify right side
    222,318.20x = 63,027,162,201.56
  5. Step 5: Solve for x
    x = 63,027,162,201.56/222,318.20
  6. Step 6: Final answer
    x = 283,499.78

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1.5x scale

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.