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Finding the Fourth Proportional to 248,304.75, 372,515.45 and 82,092.75

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Solution

The fourth proportional to 248,304.75, 372,515.45 and 82,092.75 is: 123,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,304.75 : 372,515.45 = 82,092.75 : x
  2. Step 2: Convert to fraction form
    248,304.75/372,515.45 = 82,092.75/x
  3. Step 3: Cross multiply
    248,304.75x = 372,515.45 × 82,092.75
  4. Step 4: Simplify right side
    248,304.75x = 30,580,817,297.52
  5. Step 5: Solve for x
    x = 30,580,817,297.52/248,304.75
  6. Step 6: Final answer
    x = 123,158.41

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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.