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Finding the Fourth Proportional to 484,310.34, 668,348.62 and 269,450.54

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Solution

The fourth proportional to 484,310.34, 668,348.62 and 269,450.54 is: 371,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,310.34 : 668,348.62 = 269,450.54 : x
  2. Step 2: Convert to fraction form
    484,310.34/668,348.62 = 269,450.54/x
  3. Step 3: Cross multiply
    484,310.34x = 668,348.62 × 269,450.54
  4. Step 4: Simplify right side
    484,310.34x = 180,086,896,567.26
  5. Step 5: Solve for x
    x = 180,086,896,567.26/484,310.34
  6. Step 6: Final answer
    x = 371,841.94

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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.