Home / 299,819.20-449,858.40-141,966.40

Finding the Fourth Proportional to 299,819.20, 449,858.40 and 141,966.40

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Solution

The fourth proportional to 299,819.20, 449,858.40 and 141,966.40 is: 213,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,819.20 : 449,858.40 = 141,966.40 : x
  2. Step 2: Convert to fraction form
    299,819.20/449,858.40 = 141,966.40/x
  3. Step 3: Cross multiply
    299,819.20x = 449,858.40 × 141,966.40
  4. Step 4: Simplify right side
    299,819.20x = 63,864,777,557.76
  5. Step 5: Solve for x
    x = 63,864,777,557.76/299,819.20
  6. Step 6: Final answer
    x = 213,010.97

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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.