Home / 331,147.85-496,795.85-120,785.79

Finding the Fourth Proportional to 331,147.85, 496,795.85 and 120,785.79

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Solution

The fourth proportional to 331,147.85, 496,795.85 and 120,785.79 is: 181,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,147.85 : 496,795.85 = 120,785.79 : x
  2. Step 2: Convert to fraction form
    331,147.85/496,795.85 = 120,785.79/x
  3. Step 3: Cross multiply
    331,147.85x = 496,795.85 × 120,785.79
  4. Step 4: Simplify right side
    331,147.85x = 60,005,879,512.94
  5. Step 5: Solve for x
    x = 60,005,879,512.94/331,147.85
  6. Step 6: Final answer
    x = 181,205.70

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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.