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Finding the Fourth Proportional to 170,789.20, 256,183.80 and 168,164.80

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Solution

The fourth proportional to 170,789.20, 256,183.80 and 168,164.80 is: 252,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,789.20 : 256,183.80 = 168,164.80 : x
  2. Step 2: Convert to fraction form
    170,789.20/256,183.80 = 168,164.80/x
  3. Step 3: Cross multiply
    170,789.20x = 256,183.80 × 168,164.80
  4. Step 4: Simplify right side
    170,789.20x = 43,081,097,490.24
  5. Step 5: Solve for x
    x = 43,081,097,490.24/170,789.20
  6. Step 6: Final answer
    x = 252,247.20

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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.