Home / 325,888.38-449,789.04-212,514.30

Finding the Fourth Proportional to 325,888.38, 449,789.04 and 212,514.30

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Solution

The fourth proportional to 325,888.38, 449,789.04 and 212,514.30 is: 293,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,888.38 : 449,789.04 = 212,514.30 : x
  2. Step 2: Convert to fraction form
    325,888.38/449,789.04 = 212,514.30/x
  3. Step 3: Cross multiply
    325,888.38x = 449,789.04 × 212,514.30
  4. Step 4: Simplify right side
    325,888.38x = 95,586,602,983.27
  5. Step 5: Solve for x
    x = 95,586,602,983.27/325,888.38
  6. Step 6: Final answer
    x = 293,310.87

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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.