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Finding the Fourth Proportional to 445,992, 668,988 and 150,504

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Solution

The fourth proportional to 445,992, 668,988 and 150,504 is: 225,756

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,992 : 668,988 = 150,504 : x
  2. Step 2: Convert to fraction form
    445,992/668,988 = 150,504/x
  3. Step 3: Cross multiply
    445,992x = 668,988 × 150,504
  4. Step 4: Simplify right side
    445,992x = 100,685,369,952
  5. Step 5: Solve for x
    x = 100,685,369,952/445,992
  6. Step 6: Final answer
    x = 225,756

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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.