Home / 330,983.40-496,604.70-131,269.80

Finding the Fourth Proportional to 330,983.40, 496,604.70 and 131,269.80

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Solution

The fourth proportional to 330,983.40, 496,604.70 and 131,269.80 is: 196,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,983.40 : 496,604.70 = 131,269.80 : x
  2. Step 2: Convert to fraction form
    330,983.40/496,604.70 = 131,269.80/x
  3. Step 3: Cross multiply
    330,983.40x = 496,604.70 × 131,269.80
  4. Step 4: Simplify right side
    330,983.40x = 65,189,199,648.06
  5. Step 5: Solve for x
    x = 65,189,199,648.06/330,983.40
  6. Step 6: Final answer
    x = 196,956.10

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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.