Home / 222,448.21-306,977.01-120,471.32

Finding the Fourth Proportional to 222,448.21, 306,977.01 and 120,471.32

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Solution

The fourth proportional to 222,448.21, 306,977.01 and 120,471.32 is: 166,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,448.21 : 306,977.01 = 120,471.32 : x
  2. Step 2: Convert to fraction form
    222,448.21/306,977.01 = 120,471.32/x
  3. Step 3: Cross multiply
    222,448.21x = 306,977.01 × 120,471.32
  4. Step 4: Simplify right side
    222,448.21x = 36,981,925,769.44
  5. Step 5: Solve for x
    x = 36,981,925,769.44/222,448.21
  6. Step 6: Final answer
    x = 166,249.60

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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.