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Finding the Fourth Proportional to 281,729.54, 422,730.99 and 123,937.49

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Solution

The fourth proportional to 281,729.54, 422,730.99 and 123,937.49 is: 185,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,729.54 : 422,730.99 = 123,937.49 : x
  2. Step 2: Convert to fraction form
    281,729.54/422,730.99 = 123,937.49/x
  3. Step 3: Cross multiply
    281,729.54x = 422,730.99 × 123,937.49
  4. Step 4: Simplify right side
    281,729.54x = 52,392,215,732.16
  5. Step 5: Solve for x
    x = 52,392,215,732.16/281,729.54
  6. Step 6: Final answer
    x = 185,966.36

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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.