Home / 215,340.85-322,773.40-88,911.39

Finding the Fourth Proportional to 215,340.85, 322,773.40 and 88,911.39

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Solution

The fourth proportional to 215,340.85, 322,773.40 and 88,911.39 is: 133,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,340.85 : 322,773.40 = 88,911.39 : x
  2. Step 2: Convert to fraction form
    215,340.85/322,773.40 = 88,911.39/x
  3. Step 3: Cross multiply
    215,340.85x = 322,773.40 × 88,911.39
  4. Step 4: Simplify right side
    215,340.85x = 28,698,231,649.03
  5. Step 5: Solve for x
    x = 28,698,231,649.03/215,340.85
  6. Step 6: Final answer
    x = 133,268.87

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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.