Home / 300,788.41-414,932.75-203,959.49

Finding the Fourth Proportional to 300,788.41, 414,932.75 and 203,959.49

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Solution

The fourth proportional to 300,788.41, 414,932.75 and 203,959.49 is: 281,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,788.41 : 414,932.75 = 203,959.49 : x
  2. Step 2: Convert to fraction form
    300,788.41/414,932.75 = 203,959.49/x
  3. Step 3: Cross multiply
    300,788.41x = 414,932.75 × 203,959.49
  4. Step 4: Simplify right side
    300,788.41x = 84,629,473,819.32
  5. Step 5: Solve for x
    x = 84,629,473,819.32/300,788.41
  6. Step 6: Final answer
    x = 281,358.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.