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Finding the Fourth Proportional to 248,601.60, 372,902.40 and 90,809.55

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Solution

The fourth proportional to 248,601.60, 372,902.40 and 90,809.55 is: 136,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,601.60 : 372,902.40 = 90,809.55 : x
  2. Step 2: Convert to fraction form
    248,601.60/372,902.40 = 90,809.55/x
  3. Step 3: Cross multiply
    248,601.60x = 372,902.40 × 90,809.55
  4. Step 4: Simplify right side
    248,601.60x = 33,863,099,137.92
  5. Step 5: Solve for x
    x = 33,863,099,137.92/248,601.60
  6. Step 6: Final answer
    x = 136,214.33

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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.