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Finding the Fourth Proportional to 248,610.60, 372,915.90 and 90,818.55

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Solution

The fourth proportional to 248,610.60, 372,915.90 and 90,818.55 is: 136,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,610.60 : 372,915.90 = 90,818.55 : x
  2. Step 2: Convert to fraction form
    248,610.60/372,915.90 = 90,818.55/x
  3. Step 3: Cross multiply
    248,610.60x = 372,915.90 × 90,818.55
  4. Step 4: Simplify right side
    248,610.60x = 33,867,681,309.95
  5. Step 5: Solve for x
    x = 33,867,681,309.95/248,610.60
  6. Step 6: Final answer
    x = 136,227.83

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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.