Home / 331,046.07-496,566.48-219,226.68

Finding the Fourth Proportional to 331,046.07, 496,566.48 and 219,226.68

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Solution

The fourth proportional to 331,046.07, 496,566.48 and 219,226.68 is: 328,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,046.07 : 496,566.48 = 219,226.68 : x
  2. Step 2: Convert to fraction form
    331,046.07/496,566.48 = 219,226.68/x
  3. Step 3: Cross multiply
    331,046.07x = 496,566.48 × 219,226.68
  4. Step 4: Simplify right side
    331,046.07x = 108,860,620,809.69
  5. Step 5: Solve for x
    x = 108,860,620,809.69/331,046.07
  6. Step 6: Final answer
    x = 328,838.28

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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.