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Finding the Fourth Proportional to 221,523.70, 332,334.15 and 109,257.70

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Solution

The fourth proportional to 221,523.70, 332,334.15 and 109,257.70 is: 163,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,523.70 : 332,334.15 = 109,257.70 : x
  2. Step 2: Convert to fraction form
    221,523.70/332,334.15 = 109,257.70/x
  3. Step 3: Cross multiply
    221,523.70x = 332,334.15 × 109,257.70
  4. Step 4: Simplify right side
    221,523.70x = 36,310,064,860.46
  5. Step 5: Solve for x
    x = 36,310,064,860.46/221,523.70
  6. Step 6: Final answer
    x = 163,910.52

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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.