Home / 306,342.22-422,689.77-178,993.18

Finding the Fourth Proportional to 306,342.22, 422,689.77 and 178,993.18

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Solution

The fourth proportional to 306,342.22, 422,689.77 and 178,993.18 is: 246,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,342.22 : 422,689.77 = 178,993.18 : x
  2. Step 2: Convert to fraction form
    306,342.22/422,689.77 = 178,993.18/x
  3. Step 3: Cross multiply
    306,342.22x = 422,689.77 × 178,993.18
  4. Step 4: Simplify right side
    306,342.22x = 75,658,586,085.77
  5. Step 5: Solve for x
    x = 75,658,586,085.77/306,342.22
  6. Step 6: Final answer
    x = 246,974.07

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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.