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Finding the Fourth Proportional to 247,648.08, 371,472.16 and 203,820.56

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Solution

The fourth proportional to 247,648.08, 371,472.16 and 203,820.56 is: 305,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,648.08 : 371,472.16 = 203,820.56 : x
  2. Step 2: Convert to fraction form
    247,648.08/371,472.16 = 203,820.56/x
  3. Step 3: Cross multiply
    247,648.08x = 371,472.16 × 203,820.56
  4. Step 4: Simplify right side
    247,648.08x = 75,713,663,675.61
  5. Step 5: Solve for x
    x = 75,713,663,675.61/247,648.08
  6. Step 6: Final answer
    x = 305,730.87

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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.