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Finding the Fourth Proportional to 329,995.26, 455,393.34 and 179,092.26

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Solution

The fourth proportional to 329,995.26, 455,393.34 and 179,092.26 is: 247,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,995.26 : 455,393.34 = 179,092.26 : x
  2. Step 2: Convert to fraction form
    329,995.26/455,393.34 = 179,092.26/x
  3. Step 3: Cross multiply
    329,995.26x = 455,393.34 × 179,092.26
  4. Step 4: Simplify right side
    329,995.26x = 81,557,422,449.55
  5. Step 5: Solve for x
    x = 81,557,422,449.55/329,995.26
  6. Step 6: Final answer
    x = 247,147.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.