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Finding the Fourth Proportional to 171,247.50, 256,798.89 and 51,321.47

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Solution

The fourth proportional to 171,247.50, 256,798.89 and 51,321.47 is: 76,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,247.50 : 256,798.89 = 51,321.47 : x
  2. Step 2: Convert to fraction form
    171,247.50/256,798.89 = 51,321.47/x
  3. Step 3: Cross multiply
    171,247.50x = 256,798.89 × 51,321.47
  4. Step 4: Simplify right side
    171,247.50x = 13,179,295,245.17
  5. Step 5: Solve for x
    x = 13,179,295,245.17/171,247.50
  6. Step 6: Final answer
    x = 76,960.51

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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.