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Finding the Fourth Proportional to 304,644.43, 420,408.98 and 170,508.43

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Solution

The fourth proportional to 304,644.43, 420,408.98 and 170,508.43 is: 235,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,644.43 : 420,408.98 = 170,508.43 : x
  2. Step 2: Convert to fraction form
    304,644.43/420,408.98 = 170,508.43/x
  3. Step 3: Cross multiply
    304,644.43x = 420,408.98 × 170,508.43
  4. Step 4: Simplify right side
    304,644.43x = 71,683,274,285.16
  5. Step 5: Solve for x
    x = 71,683,274,285.16/304,644.43
  6. Step 6: Final answer
    x = 235,301.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.