Home / 339,478.20-468,285.03-211,932.36

Finding the Fourth Proportional to 339,478.20, 468,285.03 and 211,932.36

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Solution

The fourth proportional to 339,478.20, 468,285.03 and 211,932.36 is: 292,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,478.20 : 468,285.03 = 211,932.36 : x
  2. Step 2: Convert to fraction form
    339,478.20/468,285.03 = 211,932.36/x
  3. Step 3: Cross multiply
    339,478.20x = 468,285.03 × 211,932.36
  4. Step 4: Simplify right side
    339,478.20x = 99,244,751,560.57
  5. Step 5: Solve for x
    x = 99,244,751,560.57/339,478.20
  6. Step 6: Final answer
    x = 292,344.99

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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.