Home / 330,908.07-496,416.78-131,229.51

Finding the Fourth Proportional to 330,908.07, 496,416.78 and 131,229.51

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Solution

The fourth proportional to 330,908.07, 496,416.78 and 131,229.51 is: 196,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,908.07 : 496,416.78 = 131,229.51 : x
  2. Step 2: Convert to fraction form
    330,908.07/496,416.78 = 131,229.51/x
  3. Step 3: Cross multiply
    330,908.07x = 496,416.78 × 131,229.51
  4. Step 4: Simplify right side
    330,908.07x = 65,144,530,795.18
  5. Step 5: Solve for x
    x = 65,144,530,795.18/330,908.07
  6. Step 6: Final answer
    x = 196,865.95

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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.