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Finding the Fourth Proportional to 273,345.76, 410,035.92 and 115,553.44

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Solution

The fourth proportional to 273,345.76, 410,035.92 and 115,553.44 is: 173,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,345.76 : 410,035.92 = 115,553.44 : x
  2. Step 2: Convert to fraction form
    273,345.76/410,035.92 = 115,553.44/x
  3. Step 3: Cross multiply
    273,345.76x = 410,035.92 × 115,553.44
  4. Step 4: Simplify right side
    273,345.76x = 47,381,061,079.56
  5. Step 5: Solve for x
    x = 47,381,061,079.56/273,345.76
  6. Step 6: Final answer
    x = 173,337.46

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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.