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Finding the Fourth Proportional to 222,169.72, 332,836.08 and 109,718.32

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Solution

The fourth proportional to 222,169.72, 332,836.08 and 109,718.32 is: 164,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,169.72 : 332,836.08 = 109,718.32 : x
  2. Step 2: Convert to fraction form
    222,169.72/332,836.08 = 109,718.32/x
  3. Step 3: Cross multiply
    222,169.72x = 332,836.08 × 109,718.32
  4. Step 4: Simplify right side
    222,169.72x = 36,518,215,532.99
  5. Step 5: Solve for x
    x = 36,518,215,532.99/222,169.72
  6. Step 6: Final answer
    x = 164,370.80

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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.