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Finding the Fourth Proportional to 222,408.20, 333,612.30 and 206,856.20

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Solution

The fourth proportional to 222,408.20, 333,612.30 and 206,856.20 is: 310,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408.20 : 333,612.30 = 206,856.20 : x
  2. Step 2: Convert to fraction form
    222,408.20/333,612.30 = 206,856.20/x
  3. Step 3: Cross multiply
    222,408.20x = 333,612.30 × 206,856.20
  4. Step 4: Simplify right side
    222,408.20x = 69,009,772,651.26
  5. Step 5: Solve for x
    x = 69,009,772,651.26/222,408.20
  6. Step 6: Final answer
    x = 310,284.30

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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.