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Finding the Fourth Proportional to 222,408.73, 333,293.64 and 126,422.21

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Solution

The fourth proportional to 222,408.73, 333,293.64 and 126,422.21 is: 189,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408.73 : 333,293.64 = 126,422.21 : x
  2. Step 2: Convert to fraction form
    222,408.73/333,293.64 = 126,422.21/x
  3. Step 3: Cross multiply
    222,408.73x = 333,293.64 × 126,422.21
  4. Step 4: Simplify right side
    222,408.73x = 42,135,718,547.74
  5. Step 5: Solve for x
    x = 42,135,718,547.74/222,408.73
  6. Step 6: Final answer
    x = 189,451.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.