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Finding the Fourth Proportional to 269,548.92, 371,956.86 and 148,694.76

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Solution

The fourth proportional to 269,548.92, 371,956.86 and 148,694.76 is: 205,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,548.92 : 371,956.86 = 148,694.76 : x
  2. Step 2: Convert to fraction form
    269,548.92/371,956.86 = 148,694.76/x
  3. Step 3: Cross multiply
    269,548.92x = 371,956.86 × 148,694.76
  4. Step 4: Simplify right side
    269,548.92x = 55,308,036,028.05
  5. Step 5: Solve for x
    x = 55,308,036,028.05/269,548.92
  6. Step 6: Final answer
    x = 205,187.38

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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.