Home / 339,479.20-468,286.40-211,933.36

Finding the Fourth Proportional to 339,479.20, 468,286.40 and 211,933.36

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Solution

The fourth proportional to 339,479.20, 468,286.40 and 211,933.36 is: 292,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,479.20 : 468,286.40 = 211,933.36 : x
  2. Step 2: Convert to fraction form
    339,479.20/468,286.40 = 211,933.36/x
  3. Step 3: Cross multiply
    339,479.20x = 468,286.40 × 211,933.36
  4. Step 4: Simplify right side
    339,479.20x = 99,245,510,194.30
  5. Step 5: Solve for x
    x = 99,245,510,194.30/339,479.20
  6. Step 6: Final answer
    x = 292,346.37

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1.5x scale

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.