Home / 269,949.50-372,530.34-156,779.54

Finding the Fourth Proportional to 269,949.50, 372,530.34 and 156,779.54

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Solution

The fourth proportional to 269,949.50, 372,530.34 and 156,779.54 is: 216,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,949.50 : 372,530.34 = 156,779.54 : x
  2. Step 2: Convert to fraction form
    269,949.50/372,530.34 = 156,779.54/x
  3. Step 3: Cross multiply
    269,949.50x = 372,530.34 × 156,779.54
  4. Step 4: Simplify right side
    269,949.50x = 58,405,135,341.24
  5. Step 5: Solve for x
    x = 58,405,135,341.24/269,949.50
  6. Step 6: Final answer
    x = 216,355.78

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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.