Home / 331,692.12-457,747.38-188,476.43

Finding the Fourth Proportional to 331,692.12, 457,747.38 and 188,476.43

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Solution

The fourth proportional to 331,692.12, 457,747.38 and 188,476.43 is: 260,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,692.12 : 457,747.38 = 188,476.43 : x
  2. Step 2: Convert to fraction form
    331,692.12/457,747.38 = 188,476.43/x
  3. Step 3: Cross multiply
    331,692.12x = 457,747.38 × 188,476.43
  4. Step 4: Simplify right side
    331,692.12x = 86,274,592,024.25
  5. Step 5: Solve for x
    x = 86,274,592,024.25/331,692.12
  6. Step 6: Final answer
    x = 260,104.44

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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.