Home / 370,321.29-511,042.91-200,556.09

Finding the Fourth Proportional to 370,321.29, 511,042.91 and 200,556.09

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Solution

The fourth proportional to 370,321.29, 511,042.91 and 200,556.09 is: 276,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,321.29 : 511,042.91 = 200,556.09 : x
  2. Step 2: Convert to fraction form
    370,321.29/511,042.91 = 200,556.09/x
  3. Step 3: Cross multiply
    370,321.29x = 511,042.91 × 200,556.09
  4. Step 4: Simplify right side
    370,321.29x = 102,492,766,849.04
  5. Step 5: Solve for x
    x = 102,492,766,849.04/370,321.29
  6. Step 6: Final answer
    x = 276,767.15

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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.