Home / 227,654.91-341,519.40-85,511.25

Finding the Fourth Proportional to 227,654.91, 341,519.40 and 85,511.25

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Solution

The fourth proportional to 227,654.91, 341,519.40 and 85,511.25 is: 128,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,654.91 : 341,519.40 = 85,511.25 : x
  2. Step 2: Convert to fraction form
    227,654.91/341,519.40 = 85,511.25/x
  3. Step 3: Cross multiply
    227,654.91x = 341,519.40 × 85,511.25
  4. Step 4: Simplify right side
    227,654.91x = 29,203,750,793.25
  5. Step 5: Solve for x
    x = 29,203,750,793.25/227,654.91
  6. Step 6: Final answer
    x = 128,280.79

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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.