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Finding the Fourth Proportional to 169,489.44, 254,233.92 and 158,279.52

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Solution

The fourth proportional to 169,489.44, 254,233.92 and 158,279.52 is: 237,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489.44 : 254,233.92 = 158,279.52 : x
  2. Step 2: Convert to fraction form
    169,489.44/254,233.92 = 158,279.52/x
  3. Step 3: Cross multiply
    169,489.44x = 254,233.92 × 158,279.52
  4. Step 4: Simplify right side
    169,489.44x = 40,240,022,825.32
  5. Step 5: Solve for x
    x = 40,240,022,825.32/169,489.44
  6. Step 6: Final answer
    x = 237,419.06

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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.