Home / 333,458.48-500,189-80,738.54

Finding the Fourth Proportional to 333,458.48, 500,189 and 80,738.54

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Solution

The fourth proportional to 333,458.48, 500,189 and 80,738.54 is: 121,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,458.48 : 500,189 = 80,738.54 : x
  2. Step 2: Convert to fraction form
    333,458.48/500,189 = 80,738.54/x
  3. Step 3: Cross multiply
    333,458.48x = 500,189 × 80,738.54
  4. Step 4: Simplify right side
    333,458.48x = 40,384,529,584.06
  5. Step 5: Solve for x
    x = 40,384,529,584.06/333,458.48
  6. Step 6: Final answer
    x = 121,108.12

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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.