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Finding the Fourth Proportional to 281,460.60, 422,234.63 and 94,515.84

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Solution

The fourth proportional to 281,460.60, 422,234.63 and 94,515.84 is: 141,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,460.60 : 422,234.63 = 94,515.84 : x
  2. Step 2: Convert to fraction form
    281,460.60/422,234.63 = 94,515.84/x
  3. Step 3: Cross multiply
    281,460.60x = 422,234.63 × 94,515.84
  4. Step 4: Simplify right side
    281,460.60x = 39,907,858,384.08
  5. Step 5: Solve for x
    x = 39,907,858,384.08/281,460.60
  6. Step 6: Final answer
    x = 141,788.44

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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.