Home / 331,231.80-496,604.70-131,453.40

Finding the Fourth Proportional to 331,231.80, 496,604.70 and 131,453.40

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Solution

The fourth proportional to 331,231.80, 496,604.70 and 131,453.40 is: 197,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,231.80 : 496,604.70 = 131,453.40 : x
  2. Step 2: Convert to fraction form
    331,231.80/496,604.70 = 131,453.40/x
  3. Step 3: Cross multiply
    331,231.80x = 496,604.70 × 131,453.40
  4. Step 4: Simplify right side
    331,231.80x = 65,280,376,270.98
  5. Step 5: Solve for x
    x = 65,280,376,270.98/331,231.80
  6. Step 6: Final answer
    x = 197,083.66

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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.