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Finding the Fourth Proportional to 443,866, 612,537.24 and 242,662

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Solution

The fourth proportional to 443,866, 612,537.24 and 242,662 is: 334,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,866 : 612,537.24 = 242,662 : x
  2. Step 2: Convert to fraction form
    443,866/612,537.24 = 242,662/x
  3. Step 3: Cross multiply
    443,866x = 612,537.24 × 242,662
  4. Step 4: Simplify right side
    443,866x = 148,639,511,732.88
  5. Step 5: Solve for x
    x = 148,639,511,732.88/443,866
  6. Step 6: Final answer
    x = 334,874.74

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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.