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Finding the Fourth Proportional to 226,234.79, 339,395.91 and 85,982.48

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Solution

The fourth proportional to 226,234.79, 339,395.91 and 85,982.48 is: 128,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,234.79 : 339,395.91 = 85,982.48 : x
  2. Step 2: Convert to fraction form
    226,234.79/339,395.91 = 85,982.48/x
  3. Step 3: Cross multiply
    226,234.79x = 339,395.91 × 85,982.48
  4. Step 4: Simplify right side
    226,234.79x = 29,182,101,613.74
  5. Step 5: Solve for x
    x = 29,182,101,613.74/226,234.79
  6. Step 6: Final answer
    x = 128,990.34

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1.5x scale

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.