Home / 293,257.20-404,699.64-159,121.20

Finding the Fourth Proportional to 293,257.20, 404,699.64 and 159,121.20

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Solution

The fourth proportional to 293,257.20, 404,699.64 and 159,121.20 is: 219,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,257.20 : 404,699.64 = 159,121.20 : x
  2. Step 2: Convert to fraction form
    293,257.20/404,699.64 = 159,121.20/x
  3. Step 3: Cross multiply
    293,257.20x = 404,699.64 × 159,121.20
  4. Step 4: Simplify right side
    293,257.20x = 64,396,292,356.37
  5. Step 5: Solve for x
    x = 64,396,292,356.37/293,257.20
  6. Step 6: Final answer
    x = 219,589.81

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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.