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Finding the Fourth Proportional to 221,967.03, 306,314.09 and 119,992.56

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Solution

The fourth proportional to 221,967.03, 306,314.09 and 119,992.56 is: 165,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,967.03 : 306,314.09 = 119,992.56 : x
  2. Step 2: Convert to fraction form
    221,967.03/306,314.09 = 119,992.56/x
  3. Step 3: Cross multiply
    221,967.03x = 306,314.09 × 119,992.56
  4. Step 4: Simplify right side
    221,967.03x = 36,755,410,524.50
  5. Step 5: Solve for x
    x = 36,755,410,524.50/221,967.03
  6. Step 6: Final answer
    x = 165,589.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.