Home / 377,825.38-521,405.85-205,748.44

Finding the Fourth Proportional to 377,825.38, 521,405.85 and 205,748.44

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Solution

The fourth proportional to 377,825.38, 521,405.85 and 205,748.44 is: 283,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,825.38 : 521,405.85 = 205,748.44 : x
  2. Step 2: Convert to fraction form
    377,825.38/521,405.85 = 205,748.44/x
  3. Step 3: Cross multiply
    377,825.38x = 521,405.85 × 205,748.44
  4. Step 4: Simplify right side
    377,825.38x = 107,278,440,244.37
  5. Step 5: Solve for x
    x = 107,278,440,244.37/377,825.38
  6. Step 6: Final answer
    x = 283,936.56

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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.