Home / 439,815.20-659,744.40-229,863.20

Finding the Fourth Proportional to 439,815.20, 659,744.40 and 229,863.20

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Solution

The fourth proportional to 439,815.20, 659,744.40 and 229,863.20 is: 344,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,815.20 : 659,744.40 = 229,863.20 : x
  2. Step 2: Convert to fraction form
    439,815.20/659,744.40 = 229,863.20/x
  3. Step 3: Cross multiply
    439,815.20x = 659,744.40 × 229,863.20
  4. Step 4: Simplify right side
    439,815.20x = 151,650,958,966.08
  5. Step 5: Solve for x
    x = 151,650,958,966.08/439,815.20
  6. Step 6: Final answer
    x = 344,806.09

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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.