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Finding the Fourth Proportional to 247,370.80, 371,057.08 and 60,382.28

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Solution

The fourth proportional to 247,370.80, 371,057.08 and 60,382.28 is: 90,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,370.80 : 371,057.08 = 60,382.28 : x
  2. Step 2: Convert to fraction form
    247,370.80/371,057.08 = 60,382.28/x
  3. Step 3: Cross multiply
    247,370.80x = 371,057.08 × 60,382.28
  4. Step 4: Simplify right side
    247,370.80x = 22,405,272,500.54
  5. Step 5: Solve for x
    x = 22,405,272,500.54/247,370.80
  6. Step 6: Final answer
    x = 90,573.63

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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.