Home / 270,272.62-405,418.74-92,778.58

Finding the Fourth Proportional to 270,272.62, 405,418.74 and 92,778.58

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Solution

The fourth proportional to 270,272.62, 405,418.74 and 92,778.58 is: 139,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,272.62 : 405,418.74 = 92,778.58 : x
  2. Step 2: Convert to fraction form
    270,272.62/405,418.74 = 92,778.58/x
  3. Step 3: Cross multiply
    270,272.62x = 405,418.74 × 92,778.58
  4. Step 4: Simplify right side
    270,272.62x = 37,614,175,002.59
  5. Step 5: Solve for x
    x = 37,614,175,002.59/270,272.62
  6. Step 6: Final answer
    x = 139,171.24

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1.5x scale

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.