Home / 222,310.20-333,821.70-205,937.40

Finding the Fourth Proportional to 222,310.20, 333,821.70 and 205,937.40

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Solution

The fourth proportional to 222,310.20, 333,821.70 and 205,937.40 is: 309,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,310.20 : 333,821.70 = 205,937.40 : x
  2. Step 2: Convert to fraction form
    222,310.20/333,821.70 = 205,937.40/x
  3. Step 3: Cross multiply
    222,310.20x = 333,821.70 × 205,937.40
  4. Step 4: Simplify right side
    222,310.20x = 68,746,372,961.58
  5. Step 5: Solve for x
    x = 68,746,372,961.58/222,310.20
  6. Step 6: Final answer
    x = 309,236.25

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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.