Home / 275,256.96-379,764.92-160,509.68

Finding the Fourth Proportional to 275,256.96, 379,764.92 and 160,509.68

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Solution

The fourth proportional to 275,256.96, 379,764.92 and 160,509.68 is: 221,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,256.96 : 379,764.92 = 160,509.68 : x
  2. Step 2: Convert to fraction form
    275,256.96/379,764.92 = 160,509.68/x
  3. Step 3: Cross multiply
    275,256.96x = 379,764.92 × 160,509.68
  4. Step 4: Simplify right side
    275,256.96x = 60,955,945,784.43
  5. Step 5: Solve for x
    x = 60,955,945,784.43/275,256.96
  6. Step 6: Final answer
    x = 221,451.06

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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.