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Finding the Fourth Proportional to 251,996.50, 378,002.04 and 65,008

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Solution

The fourth proportional to 251,996.50, 378,002.04 and 65,008 is: 97,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,996.50 : 378,002.04 = 65,008 : x
  2. Step 2: Convert to fraction form
    251,996.50/378,002.04 = 65,008/x
  3. Step 3: Cross multiply
    251,996.50x = 378,002.04 × 65,008
  4. Step 4: Simplify right side
    251,996.50x = 24,573,156,616.32
  5. Step 5: Solve for x
    x = 24,573,156,616.32/251,996.50
  6. Step 6: Final answer
    x = 97,513.88

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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.