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Finding the Fourth Proportional to 569,214.70, 853,822.05 and 214,308.34

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Solution

The fourth proportional to 569,214.70, 853,822.05 and 214,308.34 is: 321,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,214.70 : 853,822.05 = 214,308.34 : x
  2. Step 2: Convert to fraction form
    569,214.70/853,822.05 = 214,308.34/x
  3. Step 3: Cross multiply
    569,214.70x = 853,822.05 × 214,308.34
  4. Step 4: Simplify right side
    569,214.70x = 182,981,186,190.90
  5. Step 5: Solve for x
    x = 182,981,186,190.90/569,214.70
  6. Step 6: Final answer
    x = 321,462.51

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Similar ratio
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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.