Home / 221,431.24-331,557.18-116,029.72

Finding the Fourth Proportional to 221,431.24, 331,557.18 and 116,029.72

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Solution

The fourth proportional to 221,431.24, 331,557.18 and 116,029.72 is: 173,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,431.24 : 331,557.18 = 116,029.72 : x
  2. Step 2: Convert to fraction form
    221,431.24/331,557.18 = 116,029.72/x
  3. Step 3: Cross multiply
    221,431.24x = 331,557.18 × 116,029.72
  4. Step 4: Simplify right side
    221,431.24x = 38,470,486,759.39
  5. Step 5: Solve for x
    x = 38,470,486,759.39/221,431.24
  6. Step 6: Final answer
    x = 173,735.59

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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.