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Finding the Fourth Proportional to 276,812.33, 382,001 and 149,487.91

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Solution

The fourth proportional to 276,812.33, 382,001 and 149,487.91 is: 206,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,812.33 : 382,001 = 149,487.91 : x
  2. Step 2: Convert to fraction form
    276,812.33/382,001 = 149,487.91/x
  3. Step 3: Cross multiply
    276,812.33x = 382,001 × 149,487.91
  4. Step 4: Simplify right side
    276,812.33x = 57,104,531,107.91
  5. Step 5: Solve for x
    x = 57,104,531,107.91/276,812.33
  6. Step 6: Final answer
    x = 206,293.31

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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.