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Finding the Fourth Proportional to 169,119.72, 253,659.42 and 44,470.44

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Solution

The fourth proportional to 169,119.72, 253,659.42 and 44,470.44 is: 66,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,119.72 : 253,659.42 = 44,470.44 : x
  2. Step 2: Convert to fraction form
    169,119.72/253,659.42 = 44,470.44/x
  3. Step 3: Cross multiply
    169,119.72x = 253,659.42 × 44,470.44
  4. Step 4: Simplify right side
    169,119.72x = 11,280,346,017.54
  5. Step 5: Solve for x
    x = 11,280,346,017.54/169,119.72
  6. Step 6: Final answer
    x = 66,700.36

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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.