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Finding the Fourth Proportional to 222,131.80, 333,416.40 and 109,938.70

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Solution

The fourth proportional to 222,131.80, 333,416.40 and 109,938.70 is: 165,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,131.80 : 333,416.40 = 109,938.70 : x
  2. Step 2: Convert to fraction form
    222,131.80/333,416.40 = 109,938.70/x
  3. Step 3: Cross multiply
    222,131.80x = 333,416.40 × 109,938.70
  4. Step 4: Simplify right side
    222,131.80x = 36,655,365,574.68
  5. Step 5: Solve for x
    x = 36,655,365,574.68/222,131.80
  6. Step 6: Final answer
    x = 165,016.29

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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.