Home / 272,319.30-408,481.85-82,810.49

Finding the Fourth Proportional to 272,319.30, 408,481.85 and 82,810.49

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Solution

The fourth proportional to 272,319.30, 408,481.85 and 82,810.49 is: 124,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,319.30 : 408,481.85 = 82,810.49 : x
  2. Step 2: Convert to fraction form
    272,319.30/408,481.85 = 82,810.49/x
  3. Step 3: Cross multiply
    272,319.30x = 408,481.85 × 82,810.49
  4. Step 4: Simplify right side
    272,319.30x = 33,826,580,319.22
  5. Step 5: Solve for x
    x = 33,826,580,319.22/272,319.30
  6. Step 6: Final answer
    x = 124,216.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.