Home / 270,297.46-405,503.43-80,772.58

Finding the Fourth Proportional to 270,297.46, 405,503.43 and 80,772.58

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Solution

The fourth proportional to 270,297.46, 405,503.43 and 80,772.58 is: 121,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,297.46 : 405,503.43 = 80,772.58 : x
  2. Step 2: Convert to fraction form
    270,297.46/405,503.43 = 80,772.58/x
  3. Step 3: Cross multiply
    270,297.46x = 405,503.43 × 80,772.58
  4. Step 4: Simplify right side
    270,297.46x = 32,753,558,239.95
  5. Step 5: Solve for x
    x = 32,753,558,239.95/270,297.46
  6. Step 6: Final answer
    x = 121,175.97

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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.