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Finding the Fourth Proportional to 227,273.75, 340,959.84 and 87,032.38

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Solution

The fourth proportional to 227,273.75, 340,959.84 and 87,032.38 is: 130,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,273.75 : 340,959.84 = 87,032.38 : x
  2. Step 2: Convert to fraction form
    227,273.75/340,959.84 = 87,032.38/x
  3. Step 3: Cross multiply
    227,273.75x = 340,959.84 × 87,032.38
  4. Step 4: Simplify right side
    227,273.75x = 29,674,546,359.62
  5. Step 5: Solve for x
    x = 29,674,546,359.62/227,273.75
  6. Step 6: Final answer
    x = 130,567.42

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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.