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Finding the Fourth Proportional to 634,527, 951,816.42 and 161,224.56

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Solution

The fourth proportional to 634,527, 951,816.42 and 161,224.56 is: 241,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,527 : 951,816.42 = 161,224.56 : x
  2. Step 2: Convert to fraction form
    634,527/951,816.42 = 161,224.56/x
  3. Step 3: Cross multiply
    634,527x = 951,816.42 × 161,224.56
  4. Step 4: Simplify right side
    634,527x = 153,456,183,515.28
  5. Step 5: Solve for x
    x = 153,456,183,515.28/634,527
  6. Step 6: Final answer
    x = 241,843.43

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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.