Home / 377,932.62-521,546.96-208,166.72

Finding the Fourth Proportional to 377,932.62, 521,546.96 and 208,166.72

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Solution

The fourth proportional to 377,932.62, 521,546.96 and 208,166.72 is: 287,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,932.62 : 521,546.96 = 208,166.72 : x
  2. Step 2: Convert to fraction form
    377,932.62/521,546.96 = 208,166.72/x
  3. Step 3: Cross multiply
    377,932.62x = 521,546.96 × 208,166.72
  4. Step 4: Simplify right side
    377,932.62x = 108,568,719,989.17
  5. Step 5: Solve for x
    x = 108,568,719,989.17/377,932.62
  6. Step 6: Final answer
    x = 287,270.04

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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.