Home / 400,175.31-552,257.25-228,120.37

Finding the Fourth Proportional to 400,175.31, 552,257.25 and 228,120.37

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Solution

The fourth proportional to 400,175.31, 552,257.25 and 228,120.37 is: 314,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,175.31 : 552,257.25 = 228,120.37 : x
  2. Step 2: Convert to fraction form
    400,175.31/552,257.25 = 228,120.37/x
  3. Step 3: Cross multiply
    400,175.31x = 552,257.25 × 228,120.37
  4. Step 4: Simplify right side
    400,175.31x = 125,981,128,205.18
  5. Step 5: Solve for x
    x = 125,981,128,205.18/400,175.31
  6. Step 6: Final answer
    x = 314,814.85

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1.5x scale

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.