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Finding the Fourth Proportional to 345,049.82, 476,179.32 and 187,896.14

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Solution

The fourth proportional to 345,049.82, 476,179.32 and 187,896.14 is: 259,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,049.82 : 476,179.32 = 187,896.14 : x
  2. Step 2: Convert to fraction form
    345,049.82/476,179.32 = 187,896.14/x
  3. Step 3: Cross multiply
    345,049.82x = 476,179.32 × 187,896.14
  4. Step 4: Simplify right side
    345,049.82x = 89,472,256,285.21
  5. Step 5: Solve for x
    x = 89,472,256,285.21/345,049.82
  6. Step 6: Final answer
    x = 259,302.43

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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.