Home / 221,181.76-331,573.38-150,128.56

Finding the Fourth Proportional to 221,181.76, 331,573.38 and 150,128.56

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Solution

The fourth proportional to 221,181.76, 331,573.38 and 150,128.56 is: 225,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,181.76 : 331,573.38 = 150,128.56 : x
  2. Step 2: Convert to fraction form
    221,181.76/331,573.38 = 150,128.56/x
  3. Step 3: Cross multiply
    221,181.76x = 331,573.38 × 150,128.56
  4. Step 4: Simplify right side
    221,181.76x = 49,778,634,073.73
  5. Step 5: Solve for x
    x = 49,778,634,073.73/221,181.76
  6. Step 6: Final answer
    x = 225,057.59

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1.5x scale

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.