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Finding the Fourth Proportional to 269,062.63, 371,292.73 and 148,201.31

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Solution

The fourth proportional to 269,062.63, 371,292.73 and 148,201.31 is: 204,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,062.63 : 371,292.73 = 148,201.31 : x
  2. Step 2: Convert to fraction form
    269,062.63/371,292.73 = 148,201.31/x
  3. Step 3: Cross multiply
    269,062.63x = 371,292.73 × 148,201.31
  4. Step 4: Simplify right side
    269,062.63x = 55,026,069,537.20
  5. Step 5: Solve for x
    x = 55,026,069,537.20/269,062.63
  6. Step 6: Final answer
    x = 204,510.27

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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.