Home / 299,819.60-449,729.40-229,835.60

Finding the Fourth Proportional to 299,819.60, 449,729.40 and 229,835.60

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Solution

The fourth proportional to 299,819.60, 449,729.40 and 229,835.60 is: 344,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,819.60 : 449,729.40 = 229,835.60 : x
  2. Step 2: Convert to fraction form
    299,819.60/449,729.40 = 229,835.60/x
  3. Step 3: Cross multiply
    299,819.60x = 449,729.40 × 229,835.60
  4. Step 4: Simplify right side
    299,819.60x = 103,363,826,486.64
  5. Step 5: Solve for x
    x = 103,363,826,486.64/299,819.60
  6. Step 6: Final answer
    x = 344,753.40

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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.