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Finding the Fourth Proportional to 222,109.56, 333,198.90 and 72,314.64

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Solution

The fourth proportional to 222,109.56, 333,198.90 and 72,314.64 is: 108,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,109.56 : 333,198.90 = 72,314.64 : x
  2. Step 2: Convert to fraction form
    222,109.56/333,198.90 = 72,314.64/x
  3. Step 3: Cross multiply
    222,109.56x = 333,198.90 × 72,314.64
  4. Step 4: Simplify right side
    222,109.56x = 24,095,158,501.90
  5. Step 5: Solve for x
    x = 24,095,158,501.90/222,109.56
  6. Step 6: Final answer
    x = 108,483.21

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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.