Home / 221,001.50-331,600.62-115,795.88

Finding the Fourth Proportional to 221,001.50, 331,600.62 and 115,795.88

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Solution

The fourth proportional to 221,001.50, 331,600.62 and 115,795.88 is: 173,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,001.50 : 331,600.62 = 115,795.88 : x
  2. Step 2: Convert to fraction form
    221,001.50/331,600.62 = 115,795.88/x
  3. Step 3: Cross multiply
    221,001.50x = 331,600.62 × 115,795.88
  4. Step 4: Simplify right side
    221,001.50x = 38,397,985,601.45
  5. Step 5: Solve for x
    x = 38,397,985,601.45/221,001.50
  6. Step 6: Final answer
    x = 173,745.36

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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.