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Finding the Fourth Proportional to 273,637.83, 409,789.71 and 154,949.34

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Solution

The fourth proportional to 273,637.83, 409,789.71 and 154,949.34 is: 232,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,637.83 : 409,789.71 = 154,949.34 : x
  2. Step 2: Convert to fraction form
    273,637.83/409,789.71 = 154,949.34/x
  3. Step 3: Cross multiply
    273,637.83x = 409,789.71 × 154,949.34
  4. Step 4: Simplify right side
    273,637.83x = 63,496,645,103.29
  5. Step 5: Solve for x
    x = 63,496,645,103.29/273,637.83
  6. Step 6: Final answer
    x = 232,046.30

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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.