Home / 270,187.31-405,289.16-92,691.75

Finding the Fourth Proportional to 270,187.31, 405,289.16 and 92,691.75

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Solution

The fourth proportional to 270,187.31, 405,289.16 and 92,691.75 is: 139,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,187.31 : 405,289.16 = 92,691.75 : x
  2. Step 2: Convert to fraction form
    270,187.31/405,289.16 = 92,691.75/x
  3. Step 3: Cross multiply
    270,187.31x = 405,289.16 × 92,691.75
  4. Step 4: Simplify right side
    270,187.31x = 37,566,961,032.97
  5. Step 5: Solve for x
    x = 37,566,961,032.97/270,187.31
  6. Step 6: Final answer
    x = 139,040.44

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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.