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Finding the Fourth Proportional to 247,980.63, 371,830.86 and 226,821.39

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Solution

The fourth proportional to 247,980.63, 371,830.86 and 226,821.39 is: 340,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,980.63 : 371,830.86 = 226,821.39 : x
  2. Step 2: Convert to fraction form
    247,980.63/371,830.86 = 226,821.39/x
  3. Step 3: Cross multiply
    247,980.63x = 371,830.86 × 226,821.39
  4. Step 4: Simplify right side
    247,980.63x = 84,339,192,510.10
  5. Step 5: Solve for x
    x = 84,339,192,510.10/247,980.63
  6. Step 6: Final answer
    x = 340,103.95

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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.