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Finding the Fourth Proportional to 361,091.34, 541,709.91 and 248,825.34

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Solution

The fourth proportional to 361,091.34, 541,709.91 and 248,825.34 is: 373,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,091.34 : 541,709.91 = 248,825.34 : x
  2. Step 2: Convert to fraction form
    361,091.34/541,709.91 = 248,825.34/x
  3. Step 3: Cross multiply
    361,091.34x = 541,709.91 × 248,825.34
  4. Step 4: Simplify right side
    361,091.34x = 134,791,152,537.12
  5. Step 5: Solve for x
    x = 134,791,152,537.12/361,091.34
  6. Step 6: Final answer
    x = 373,288.24

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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.