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Finding the Fourth Proportional to 148,924.50, 222,314.52 and 127,635

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Solution

The fourth proportional to 148,924.50, 222,314.52 and 127,635 is: 190,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,924.50 : 222,314.52 = 127,635 : x
  2. Step 2: Convert to fraction form
    148,924.50/222,314.52 = 127,635/x
  3. Step 3: Cross multiply
    148,924.50x = 222,314.52 × 127,635
  4. Step 4: Simplify right side
    148,924.50x = 28,375,113,760.20
  5. Step 5: Solve for x
    x = 28,375,113,760.20/148,924.50
  6. Step 6: Final answer
    x = 190,533.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.