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Finding the Fourth Proportional to 251,825.29, 377,752.75 and 71,896.89

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Solution

The fourth proportional to 251,825.29, 377,752.75 and 71,896.89 is: 107,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,825.29 : 377,752.75 = 71,896.89 : x
  2. Step 2: Convert to fraction form
    251,825.29/377,752.75 = 71,896.89/x
  3. Step 3: Cross multiply
    251,825.29x = 377,752.75 × 71,896.89
  4. Step 4: Simplify right side
    251,825.29x = 27,159,247,913.95
  5. Step 5: Solve for x
    x = 27,159,247,913.95/251,825.29
  6. Step 6: Final answer
    x = 107,849.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.