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Finding the Fourth Proportional to 293,351.66, 404,825.56 and 159,215.66

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Solution

The fourth proportional to 293,351.66, 404,825.56 and 159,215.66 is: 219,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,351.66 : 404,825.56 = 159,215.66 : x
  2. Step 2: Convert to fraction form
    293,351.66/404,825.56 = 159,215.66/x
  3. Step 3: Cross multiply
    293,351.66x = 404,825.56 × 159,215.66
  4. Step 4: Simplify right side
    293,351.66x = 64,454,568,720.27
  5. Step 5: Solve for x
    x = 64,454,568,720.27/293,351.66
  6. Step 6: Final answer
    x = 219,717.76

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1.5x scale

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.