Home / 377,929.60-521,542.82-208,163.73

Finding the Fourth Proportional to 377,929.60, 521,542.82 and 208,163.73

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Solution

The fourth proportional to 377,929.60, 521,542.82 and 208,163.73 is: 287,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,929.60 : 521,542.82 = 208,163.73 : x
  2. Step 2: Convert to fraction form
    377,929.60/521,542.82 = 208,163.73/x
  3. Step 3: Cross multiply
    377,929.60x = 521,542.82 × 208,163.73
  4. Step 4: Simplify right side
    377,929.60x = 108,566,298,765.92
  5. Step 5: Solve for x
    x = 108,566,298,765.92/377,929.60
  6. Step 6: Final answer
    x = 287,265.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.