Home / 298,932.72-448,612.31-165,919.38

Finding the Fourth Proportional to 298,932.72, 448,612.31 and 165,919.38

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Solution

The fourth proportional to 298,932.72, 448,612.31 and 165,919.38 is: 248,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,932.72 : 448,612.31 = 165,919.38 : x
  2. Step 2: Convert to fraction form
    298,932.72/448,612.31 = 165,919.38/x
  3. Step 3: Cross multiply
    298,932.72x = 448,612.31 × 165,919.38
  4. Step 4: Simplify right side
    298,932.72x = 74,433,476,750.37
  5. Step 5: Solve for x
    x = 74,433,476,750.37/298,932.72
  6. Step 6: Final answer
    x = 248,997.42

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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.