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Finding the Fourth Proportional to 568,383.57, 852,478.44 and 189,261.28

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Solution

The fourth proportional to 568,383.57, 852,478.44 and 189,261.28 is: 283,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,383.57 : 852,478.44 = 189,261.28 : x
  2. Step 2: Convert to fraction form
    568,383.57/852,478.44 = 189,261.28/x
  3. Step 3: Cross multiply
    568,383.57x = 852,478.44 × 189,261.28
  4. Step 4: Simplify right side
    568,383.57x = 161,341,160,726.80
  5. Step 5: Solve for x
    x = 161,341,160,726.80/568,383.57
  6. Step 6: Final answer
    x = 283,859.65

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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.