Home / 221,024.60-331,825.98-131,231.24

Finding the Fourth Proportional to 221,024.60, 331,825.98 and 131,231.24

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Solution

The fourth proportional to 221,024.60, 331,825.98 and 131,231.24 is: 197,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,024.60 : 331,825.98 = 131,231.24 : x
  2. Step 2: Convert to fraction form
    221,024.60/331,825.98 = 131,231.24/x
  3. Step 3: Cross multiply
    221,024.60x = 331,825.98 × 131,231.24
  4. Step 4: Simplify right side
    221,024.60x = 43,545,934,819.62
  5. Step 5: Solve for x
    x = 43,545,934,819.62/221,024.60
  6. Step 6: Final answer
    x = 197,018.50

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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.