Home / 275,006.11-379,525.97-154,147.43

Finding the Fourth Proportional to 275,006.11, 379,525.97 and 154,147.43

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Solution

The fourth proportional to 275,006.11, 379,525.97 and 154,147.43 is: 212,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,006.11 : 379,525.97 = 154,147.43 : x
  2. Step 2: Convert to fraction form
    275,006.11/379,525.97 = 154,147.43/x
  3. Step 3: Cross multiply
    275,006.11x = 379,525.97 × 154,147.43
  4. Step 4: Simplify right side
    275,006.11x = 58,502,950,514.42
  5. Step 5: Solve for x
    x = 58,502,950,514.42/275,006.11
  6. Step 6: Final answer
    x = 212,733.28

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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.