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Finding the Fourth Proportional to 632,361.75, 948,472.76 and 159,047.30

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Solution

The fourth proportional to 632,361.75, 948,472.76 and 159,047.30 is: 238,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,361.75 : 948,472.76 = 159,047.30 : x
  2. Step 2: Convert to fraction form
    632,361.75/948,472.76 = 159,047.30/x
  3. Step 3: Cross multiply
    632,361.75x = 948,472.76 × 159,047.30
  4. Step 4: Simplify right side
    632,361.75x = 150,852,031,601.55
  5. Step 5: Solve for x
    x = 150,852,031,601.55/632,361.75
  6. Step 6: Final answer
    x = 238,553.38

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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.