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Finding the Fourth Proportional to 226,008.98, 339,002.47 and 83,881.93

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Solution

The fourth proportional to 226,008.98, 339,002.47 and 83,881.93 is: 125,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,008.98 : 339,002.47 = 83,881.93 : x
  2. Step 2: Convert to fraction form
    226,008.98/339,002.47 = 83,881.93/x
  3. Step 3: Cross multiply
    226,008.98x = 339,002.47 × 83,881.93
  4. Step 4: Simplify right side
    226,008.98x = 28,436,181,458.37
  5. Step 5: Solve for x
    x = 28,436,181,458.37/226,008.98
  6. Step 6: Final answer
    x = 125,818.81

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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.