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Finding the Fourth Proportional to 281,842.40, 422,498.88 and 94,723.04

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Solution

The fourth proportional to 281,842.40, 422,498.88 and 94,723.04 is: 141,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,842.40 : 422,498.88 = 94,723.04 : x
  2. Step 2: Convert to fraction form
    281,842.40/422,498.88 = 94,723.04/x
  3. Step 3: Cross multiply
    281,842.40x = 422,498.88 × 94,723.04
  4. Step 4: Simplify right side
    281,842.40x = 40,020,378,310.20
  5. Step 5: Solve for x
    x = 40,020,378,310.20/281,842.40
  6. Step 6: Final answer
    x = 141,995.59

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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.