Home / 263,900.94-396,399.72-213,357.04

Finding the Fourth Proportional to 263,900.94, 396,399.72 and 213,357.04

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Solution

The fourth proportional to 263,900.94, 396,399.72 and 213,357.04 is: 320,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,900.94 : 396,399.72 = 213,357.04 : x
  2. Step 2: Convert to fraction form
    263,900.94/396,399.72 = 213,357.04/x
  3. Step 3: Cross multiply
    263,900.94x = 396,399.72 × 213,357.04
  4. Step 4: Simplify right side
    263,900.94x = 84,574,670,725.12
  5. Step 5: Solve for x
    x = 84,574,670,725.12/263,900.94
  6. Step 6: Final answer
    x = 320,478.86

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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.