Home / 281,722.24-422,598.75-71,362

Finding the Fourth Proportional to 281,722.24, 422,598.75 and 71,362

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Solution

The fourth proportional to 281,722.24, 422,598.75 and 71,362 is: 107,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,722.24 : 422,598.75 = 71,362 : x
  2. Step 2: Convert to fraction form
    281,722.24/422,598.75 = 71,362/x
  3. Step 3: Cross multiply
    281,722.24x = 422,598.75 × 71,362
  4. Step 4: Simplify right side
    281,722.24x = 30,157,491,997.50
  5. Step 5: Solve for x
    x = 30,157,491,997.50/281,722.24
  6. Step 6: Final answer
    x = 107,046.90

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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.