Home / 286,456.50-395,309.97-159,158.52

Finding the Fourth Proportional to 286,456.50, 395,309.97 and 159,158.52

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Solution

The fourth proportional to 286,456.50, 395,309.97 and 159,158.52 is: 219,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,456.50 : 395,309.97 = 159,158.52 : x
  2. Step 2: Convert to fraction form
    286,456.50/395,309.97 = 159,158.52/x
  3. Step 3: Cross multiply
    286,456.50x = 395,309.97 × 159,158.52
  4. Step 4: Simplify right side
    286,456.50x = 62,916,949,766.44
  5. Step 5: Solve for x
    x = 62,916,949,766.44/286,456.50
  6. Step 6: Final answer
    x = 219,638.76

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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.