Home / 286,370.11-395,167.62-165,519.22

Finding the Fourth Proportional to 286,370.11, 395,167.62 and 165,519.22

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Solution

The fourth proportional to 286,370.11, 395,167.62 and 165,519.22 is: 228,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,370.11 : 395,167.62 = 165,519.22 : x
  2. Step 2: Convert to fraction form
    286,370.11/395,167.62 = 165,519.22/x
  3. Step 3: Cross multiply
    286,370.11x = 395,167.62 × 165,519.22
  4. Step 4: Simplify right side
    286,370.11x = 65,407,836,231.66
  5. Step 5: Solve for x
    x = 65,407,836,231.66/286,370.11
  6. Step 6: Final answer
    x = 228,403.15

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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.