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Finding the Fourth Proportional to 568,297.12, 851,732.88 and 301,398.88

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Solution

The fourth proportional to 568,297.12, 851,732.88 and 301,398.88 is: 451,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,297.12 : 851,732.88 = 301,398.88 : x
  2. Step 2: Convert to fraction form
    568,297.12/851,732.88 = 301,398.88/x
  3. Step 3: Cross multiply
    568,297.12x = 851,732.88 × 301,398.88
  4. Step 4: Simplify right side
    568,297.12x = 256,711,336,091.17
  5. Step 5: Solve for x
    x = 256,711,336,091.17/568,297.12
  6. Step 6: Final answer
    x = 451,720.28

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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.