Home / 330,251.43-455,886.53-222,966.79

Finding the Fourth Proportional to 330,251.43, 455,886.53 and 222,966.79

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Solution

The fourth proportional to 330,251.43, 455,886.53 and 222,966.79 is: 307,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,251.43 : 455,886.53 = 222,966.79 : x
  2. Step 2: Convert to fraction form
    330,251.43/455,886.53 = 222,966.79/x
  3. Step 3: Cross multiply
    330,251.43x = 455,886.53 × 222,966.79
  4. Step 4: Simplify right side
    330,251.43x = 101,647,556,198.34
  5. Step 5: Solve for x
    x = 101,647,556,198.34/330,251.43
  6. Step 6: Final answer
    x = 307,788.39

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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.