Home / 377,736.38-521,260.46-207,959.57

Finding the Fourth Proportional to 377,736.38, 521,260.46 and 207,959.57

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Solution

The fourth proportional to 377,736.38, 521,260.46 and 207,959.57 is: 286,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,736.38 : 521,260.46 = 207,959.57 : x
  2. Step 2: Convert to fraction form
    377,736.38/521,260.46 = 207,959.57/x
  3. Step 3: Cross multiply
    377,736.38x = 521,260.46 × 207,959.57
  4. Step 4: Simplify right side
    377,736.38x = 108,401,100,208.08
  5. Step 5: Solve for x
    x = 108,401,100,208.08/377,736.38
  6. Step 6: Final answer
    x = 286,975.54

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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.