Home / 377,872.03-521,455.56-205,791.88

Finding the Fourth Proportional to 377,872.03, 521,455.56 and 205,791.88

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Solution

The fourth proportional to 377,872.03, 521,455.56 and 205,791.88 is: 283,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,872.03 : 521,455.56 = 205,791.88 : x
  2. Step 2: Convert to fraction form
    377,872.03/521,455.56 = 205,791.88/x
  3. Step 3: Cross multiply
    377,872.03x = 521,455.56 × 205,791.88
  4. Step 4: Simplify right side
    377,872.03x = 107,311,320,028.85
  5. Step 5: Solve for x
    x = 107,311,320,028.85/377,872.03
  6. Step 6: Final answer
    x = 283,988.52

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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.