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Finding the Fourth Proportional to 376,737.52, 519,897.96 and 206,982.56

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Solution

The fourth proportional to 376,737.52, 519,897.96 and 206,982.56 is: 285,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,737.52 : 519,897.96 = 206,982.56 : x
  2. Step 2: Convert to fraction form
    376,737.52/519,897.96 = 206,982.56/x
  3. Step 3: Cross multiply
    376,737.52x = 519,897.96 × 206,982.56
  4. Step 4: Simplify right side
    376,737.52x = 107,609,810,699.58
  5. Step 5: Solve for x
    x = 107,609,810,699.58/376,737.52
  6. Step 6: Final answer
    x = 285,636.03

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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.