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Finding the Fourth Proportional to 247,380.68, 371,107.47 and 89,572.23

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Solution

The fourth proportional to 247,380.68, 371,107.47 and 89,572.23 is: 134,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,380.68 : 371,107.47 = 89,572.23 : x
  2. Step 2: Convert to fraction form
    247,380.68/371,107.47 = 89,572.23/x
  3. Step 3: Cross multiply
    247,380.68x = 371,107.47 × 89,572.23
  4. Step 4: Simplify right side
    247,380.68x = 33,240,923,993.45
  5. Step 5: Solve for x
    x = 33,240,923,993.45/247,380.68
  6. Step 6: Final answer
    x = 134,371.54

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1.5x scale

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.