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Finding the Fourth Proportional to 253,692, 350,094.96 and 140,522.04

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Solution

The fourth proportional to 253,692, 350,094.96 and 140,522.04 is: 193,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,692 : 350,094.96 = 140,522.04 : x
  2. Step 2: Convert to fraction form
    253,692/350,094.96 = 140,522.04/x
  3. Step 3: Cross multiply
    253,692x = 350,094.96 × 140,522.04
  4. Step 4: Simplify right side
    253,692x = 49,196,057,972.92
  5. Step 5: Solve for x
    x = 49,196,057,972.92/253,692
  6. Step 6: Final answer
    x = 193,920.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.