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Finding the Fourth Proportional to 351,756.96, 527,524.67 and 115,044.39

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Solution

The fourth proportional to 351,756.96, 527,524.67 and 115,044.39 is: 172,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,756.96 : 527,524.67 = 115,044.39 : x
  2. Step 2: Convert to fraction form
    351,756.96/527,524.67 = 115,044.39/x
  3. Step 3: Cross multiply
    351,756.96x = 527,524.67 × 115,044.39
  4. Step 4: Simplify right side
    351,756.96x = 60,688,753,294.88
  5. Step 5: Solve for x
    x = 60,688,753,294.88/351,756.96
  6. Step 6: Final answer
    x = 172,530.36

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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.