Home / 358,665.89-494,939.97-205,696.17

Finding the Fourth Proportional to 358,665.89, 494,939.97 and 205,696.17

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Solution

The fourth proportional to 358,665.89, 494,939.97 and 205,696.17 is: 283,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,665.89 : 494,939.97 = 205,696.17 : x
  2. Step 2: Convert to fraction form
    358,665.89/494,939.97 = 205,696.17/x
  3. Step 3: Cross multiply
    358,665.89x = 494,939.97 × 205,696.17
  4. Step 4: Simplify right side
    358,665.89x = 101,807,256,208.92
  5. Step 5: Solve for x
    x = 101,807,256,208.92/358,665.89
  6. Step 6: Final answer
    x = 283,849.85

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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.