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Finding the Fourth Proportional to 447,734.62, 671,601.93 and 148,134.94

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Solution

The fourth proportional to 447,734.62, 671,601.93 and 148,134.94 is: 222,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,734.62 : 671,601.93 = 148,134.94 : x
  2. Step 2: Convert to fraction form
    447,734.62/671,601.93 = 148,134.94/x
  3. Step 3: Cross multiply
    447,734.62x = 671,601.93 × 148,134.94
  4. Step 4: Simplify right side
    447,734.62x = 99,487,711,604.43
  5. Step 5: Solve for x
    x = 99,487,711,604.43/447,734.62
  6. Step 6: Final answer
    x = 222,202.41

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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.