Home / 281,960.46-389,126.01-161,099.15

Finding the Fourth Proportional to 281,960.46, 389,126.01 and 161,099.15

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Solution

The fourth proportional to 281,960.46, 389,126.01 and 161,099.15 is: 222,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,960.46 : 389,126.01 = 161,099.15 : x
  2. Step 2: Convert to fraction form
    281,960.46/389,126.01 = 161,099.15/x
  3. Step 3: Cross multiply
    281,960.46x = 389,126.01 × 161,099.15
  4. Step 4: Simplify right side
    281,960.46x = 62,687,867,508.26
  5. Step 5: Solve for x
    x = 62,687,867,508.26/281,960.46
  6. Step 6: Final answer
    x = 222,328.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.