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Finding the Fourth Proportional to 269,575.38, 371,947.16 and 177,684.48

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Solution

The fourth proportional to 269,575.38, 371,947.16 and 177,684.48 is: 245,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,575.38 : 371,947.16 = 177,684.48 : x
  2. Step 2: Convert to fraction form
    269,575.38/371,947.16 = 177,684.48/x
  3. Step 3: Cross multiply
    269,575.38x = 371,947.16 × 177,684.48
  4. Step 4: Simplify right side
    269,575.38x = 66,089,238,156.29
  5. Step 5: Solve for x
    x = 66,089,238,156.29/269,575.38
  6. Step 6: Final answer
    x = 245,160.51

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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.