Home / 330,961.61-496,006.13-131,173.09

Finding the Fourth Proportional to 330,961.61, 496,006.13 and 131,173.09

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Solution

The fourth proportional to 330,961.61, 496,006.13 and 131,173.09 is: 196,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,961.61 : 496,006.13 = 131,173.09 : x
  2. Step 2: Convert to fraction form
    330,961.61/496,006.13 = 131,173.09/x
  3. Step 3: Cross multiply
    330,961.61x = 496,006.13 × 131,173.09
  4. Step 4: Simplify right side
    330,961.61x = 65,062,655,818.96
  5. Step 5: Solve for x
    x = 65,062,655,818.96/330,961.61
  6. Step 6: Final answer
    x = 196,586.71

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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.