Home / 358,147.29-494,313.38-205,287.96

Finding the Fourth Proportional to 358,147.29, 494,313.38 and 205,287.96

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Solution

The fourth proportional to 358,147.29, 494,313.38 and 205,287.96 is: 283,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,147.29 : 494,313.38 = 205,287.96 : x
  2. Step 2: Convert to fraction form
    358,147.29/494,313.38 = 205,287.96/x
  3. Step 3: Cross multiply
    358,147.29x = 494,313.38 × 205,287.96
  4. Step 4: Simplify right side
    358,147.29x = 101,476,585,380.91
  5. Step 5: Solve for x
    x = 101,476,585,380.91/358,147.29
  6. Step 6: Final answer
    x = 283,337.58

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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.