Home / 330,284.20-454,756.26-291,481.96

Finding the Fourth Proportional to 330,284.20, 454,756.26 and 291,481.96

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Solution

The fourth proportional to 330,284.20, 454,756.26 and 291,481.96 is: 401,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,284.20 : 454,756.26 = 291,481.96 : x
  2. Step 2: Convert to fraction form
    330,284.20/454,756.26 = 291,481.96/x
  3. Step 3: Cross multiply
    330,284.20x = 454,756.26 × 291,481.96
  4. Step 4: Simplify right side
    330,284.20x = 132,553,245,987.07
  5. Step 5: Solve for x
    x = 132,553,245,987.07/330,284.20
  6. Step 6: Final answer
    x = 401,330.87

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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.