Home / 227,118.22-340,418.98-138,175.66

Finding the Fourth Proportional to 227,118.22, 340,418.98 and 138,175.66

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Solution

The fourth proportional to 227,118.22, 340,418.98 and 138,175.66 is: 207,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,118.22 : 340,418.98 = 138,175.66 : x
  2. Step 2: Convert to fraction form
    227,118.22/340,418.98 = 138,175.66/x
  3. Step 3: Cross multiply
    227,118.22x = 340,418.98 × 138,175.66
  4. Step 4: Simplify right side
    227,118.22x = 47,037,617,238.03
  5. Step 5: Solve for x
    x = 47,037,617,238.03/227,118.22
  6. Step 6: Final answer
    x = 207,106.31

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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.