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Finding the Fourth Proportional to 332,879.12, 499,322.32 and 96,223.85

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Solution

The fourth proportional to 332,879.12, 499,322.32 and 96,223.85 is: 144,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,879.12 : 499,322.32 = 96,223.85 : x
  2. Step 2: Convert to fraction form
    332,879.12/499,322.32 = 96,223.85/x
  3. Step 3: Cross multiply
    332,879.12x = 499,322.32 × 96,223.85
  4. Step 4: Simplify right side
    332,879.12x = 48,046,716,021.33
  5. Step 5: Solve for x
    x = 48,046,716,021.33/332,879.12
  6. Step 6: Final answer
    x = 144,336.83

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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.