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Finding the Fourth Proportional to 281,654.80, 422,635.80 and 115,459.60

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Solution

The fourth proportional to 281,654.80, 422,635.80 and 115,459.60 is: 173,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,654.80 : 422,635.80 = 115,459.60 : x
  2. Step 2: Convert to fraction form
    281,654.80/422,635.80 = 115,459.60/x
  3. Step 3: Cross multiply
    281,654.80x = 422,635.80 × 115,459.60
  4. Step 4: Simplify right side
    281,654.80x = 48,797,360,413.68
  5. Step 5: Solve for x
    x = 48,797,360,413.68/281,654.80
  6. Step 6: Final answer
    x = 173,252.37

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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.