Home / 281,629.66-422,444.40-187,044.50

Finding the Fourth Proportional to 281,629.66, 422,444.40 and 187,044.50

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Solution

The fourth proportional to 281,629.66, 422,444.40 and 187,044.50 is: 280,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,629.66 : 422,444.40 = 187,044.50 : x
  2. Step 2: Convert to fraction form
    281,629.66/422,444.40 = 187,044.50/x
  3. Step 3: Cross multiply
    281,629.66x = 422,444.40 × 187,044.50
  4. Step 4: Simplify right side
    281,629.66x = 79,015,901,575.80
  5. Step 5: Solve for x
    x = 79,015,901,575.80/281,629.66
  6. Step 6: Final answer
    x = 280,566.69

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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.