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Finding the Fourth Proportional to 223,766.88, 335,601.63 and 73,971.78

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Solution

The fourth proportional to 223,766.88, 335,601.63 and 73,971.78 is: 110,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,766.88 : 335,601.63 = 73,971.78 : x
  2. Step 2: Convert to fraction form
    223,766.88/335,601.63 = 73,971.78/x
  3. Step 3: Cross multiply
    223,766.88x = 335,601.63 × 73,971.78
  4. Step 4: Simplify right side
    223,766.88x = 24,825,049,942.00
  5. Step 5: Solve for x
    x = 24,825,049,942.00/223,766.88
  6. Step 6: Final answer
    x = 110,941.57

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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.