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Finding the Fourth Proportional to 222,713.26, 333,999.55 and 72,919.11

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Solution

The fourth proportional to 222,713.26, 333,999.55 and 72,919.11 is: 109,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,713.26 : 333,999.55 = 72,919.11 : x
  2. Step 2: Convert to fraction form
    222,713.26/333,999.55 = 72,919.11/x
  3. Step 3: Cross multiply
    222,713.26x = 333,999.55 × 72,919.11
  4. Step 4: Simplify right side
    222,713.26x = 24,354,949,926.40
  5. Step 5: Solve for x
    x = 24,354,949,926.40/222,713.26
  6. Step 6: Final answer
    x = 109,355.63

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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.