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Finding the Fourth Proportional to 350,592.63, 483,737.49 and 221,375.78

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Solution

The fourth proportional to 350,592.63, 483,737.49 and 221,375.78 is: 305,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,592.63 : 483,737.49 = 221,375.78 : x
  2. Step 2: Convert to fraction form
    350,592.63/483,737.49 = 221,375.78/x
  3. Step 3: Cross multiply
    350,592.63x = 483,737.49 × 221,375.78
  4. Step 4: Simplify right side
    350,592.63x = 107,087,765,373.34
  5. Step 5: Solve for x
    x = 107,087,765,373.34/350,592.63
  6. Step 6: Final answer
    x = 305,447.85

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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.