Home / 281,248.20-421,958.70-222,107.40

Finding the Fourth Proportional to 281,248.20, 421,958.70 and 222,107.40

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Solution

The fourth proportional to 281,248.20, 421,958.70 and 222,107.40 is: 333,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,248.20 : 421,958.70 = 222,107.40 : x
  2. Step 2: Convert to fraction form
    281,248.20/421,958.70 = 222,107.40/x
  3. Step 3: Cross multiply
    281,248.20x = 421,958.70 × 222,107.40
  4. Step 4: Simplify right side
    281,248.20x = 93,720,149,764.38
  5. Step 5: Solve for x
    x = 93,720,149,764.38/281,248.20
  6. Step 6: Final answer
    x = 333,229.33

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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.