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Finding the Fourth Proportional to 226,433.71, 339,803.31 and 93,311.02

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Solution

The fourth proportional to 226,433.71, 339,803.31 and 93,311.02 is: 140,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,433.71 : 339,803.31 = 93,311.02 : x
  2. Step 2: Convert to fraction form
    226,433.71/339,803.31 = 93,311.02/x
  3. Step 3: Cross multiply
    226,433.71x = 339,803.31 × 93,311.02
  4. Step 4: Simplify right side
    226,433.71x = 31,707,393,455.48
  5. Step 5: Solve for x
    x = 31,707,393,455.48/226,433.71
  6. Step 6: Final answer
    x = 140,029.47

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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.