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Finding the Fourth Proportional to 445,737.46, 668,627.79 and 146,191.54

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Solution

The fourth proportional to 445,737.46, 668,627.79 and 146,191.54 is: 219,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,737.46 : 668,627.79 = 146,191.54 : x
  2. Step 2: Convert to fraction form
    445,737.46/668,627.79 = 146,191.54/x
  3. Step 3: Cross multiply
    445,737.46x = 668,627.79 × 146,191.54
  4. Step 4: Simplify right side
    445,737.46x = 97,747,726,306.90
  5. Step 5: Solve for x
    x = 97,747,726,306.90/445,737.46
  6. Step 6: Final answer
    x = 219,294.39

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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.