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Finding the Fourth Proportional to 567,679.44, 851,539.28 and 141,217.49

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Solution

The fourth proportional to 567,679.44, 851,539.28 and 141,217.49 is: 211,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,679.44 : 851,539.28 = 141,217.49 : x
  2. Step 2: Convert to fraction form
    567,679.44/851,539.28 = 141,217.49/x
  3. Step 3: Cross multiply
    567,679.44x = 851,539.28 × 141,217.49
  4. Step 4: Simplify right side
    567,679.44x = 120,252,234,794.22
  5. Step 5: Solve for x
    x = 120,252,234,794.22/567,679.44
  6. Step 6: Final answer
    x = 211,831.23

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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.