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Finding the Fourth Proportional to 269,812.54, 372,339.22 and 148,954

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Solution

The fourth proportional to 269,812.54, 372,339.22 and 148,954 is: 205,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,812.54 : 372,339.22 = 148,954 : x
  2. Step 2: Convert to fraction form
    269,812.54/372,339.22 = 148,954/x
  3. Step 3: Cross multiply
    269,812.54x = 372,339.22 × 148,954
  4. Step 4: Simplify right side
    269,812.54x = 55,461,416,175.88
  5. Step 5: Solve for x
    x = 55,461,416,175.88/269,812.54
  6. Step 6: Final answer
    x = 205,555.37

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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.