Home / 330,846.40-496,399.20-131,132.80

Finding the Fourth Proportional to 330,846.40, 496,399.20 and 131,132.80

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Solution

The fourth proportional to 330,846.40, 496,399.20 and 131,132.80 is: 196,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,846.40 : 496,399.20 = 131,132.80 : x
  2. Step 2: Convert to fraction form
    330,846.40/496,399.20 = 131,132.80/x
  3. Step 3: Cross multiply
    330,846.40x = 496,399.20 × 131,132.80
  4. Step 4: Simplify right side
    330,846.40x = 65,094,217,013.76
  5. Step 5: Solve for x
    x = 65,094,217,013.76/330,846.40
  6. Step 6: Final answer
    x = 196,750.57

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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.