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Finding the Fourth Proportional to 489,283.89, 733,976.22 and 169,435.14

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Solution

The fourth proportional to 489,283.89, 733,976.22 and 169,435.14 is: 254,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,283.89 : 733,976.22 = 169,435.14 : x
  2. Step 2: Convert to fraction form
    489,283.89/733,976.22 = 169,435.14/x
  3. Step 3: Cross multiply
    489,283.89x = 733,976.22 × 169,435.14
  4. Step 4: Simplify right side
    489,283.89x = 124,361,363,592.37
  5. Step 5: Solve for x
    x = 124,361,363,592.37/489,283.89
  6. Step 6: Final answer
    x = 254,170.16

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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.