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Finding the Fourth Proportional to 222,709.92, 334,083.60 and 72,947.04

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Solution

The fourth proportional to 222,709.92, 334,083.60 and 72,947.04 is: 109,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,709.92 : 334,083.60 = 72,947.04 : x
  2. Step 2: Convert to fraction form
    222,709.92/334,083.60 = 72,947.04/x
  3. Step 3: Cross multiply
    222,709.92x = 334,083.60 × 72,947.04
  4. Step 4: Simplify right side
    222,709.92x = 24,370,409,732.54
  5. Step 5: Solve for x
    x = 24,370,409,732.54/222,709.92
  6. Step 6: Final answer
    x = 109,426.69

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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.