Home / 331,449.43-457,383.99-188,206.40

Finding the Fourth Proportional to 331,449.43, 457,383.99 and 188,206.40

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Solution

The fourth proportional to 331,449.43, 457,383.99 and 188,206.40 is: 259,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,449.43 : 457,383.99 = 188,206.40 : x
  2. Step 2: Convert to fraction form
    331,449.43/457,383.99 = 188,206.40/x
  3. Step 3: Cross multiply
    331,449.43x = 457,383.99 × 188,206.40
  4. Step 4: Simplify right side
    331,449.43x = 86,082,594,175.54
  5. Step 5: Solve for x
    x = 86,082,594,175.54/331,449.43
  6. Step 6: Final answer
    x = 259,715.62

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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.