Home / 439,819.20-659,750.40-229,867.20

Finding the Fourth Proportional to 439,819.20, 659,750.40 and 229,867.20

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Solution

The fourth proportional to 439,819.20, 659,750.40 and 229,867.20 is: 344,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,819.20 : 659,750.40 = 229,867.20 : x
  2. Step 2: Convert to fraction form
    439,819.20/659,750.40 = 229,867.20/x
  3. Step 3: Cross multiply
    439,819.20x = 659,750.40 × 229,867.20
  4. Step 4: Simplify right side
    439,819.20x = 151,654,977,146.88
  5. Step 5: Solve for x
    x = 151,654,977,146.88/439,819.20
  6. Step 6: Final answer
    x = 344,812.09

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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.