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Finding the Fourth Proportional to 240,514.26, 360,775.53 and 71,995.38

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Solution

The fourth proportional to 240,514.26, 360,775.53 and 71,995.38 is: 107,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,514.26 : 360,775.53 = 71,995.38 : x
  2. Step 2: Convert to fraction form
    240,514.26/360,775.53 = 71,995.38/x
  3. Step 3: Cross multiply
    240,514.26x = 360,775.53 × 71,995.38
  4. Step 4: Simplify right side
    240,514.26x = 25,974,171,377.05
  5. Step 5: Solve for x
    x = 25,974,171,377.05/240,514.26
  6. Step 6: Final answer
    x = 107,994.31

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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.