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Finding the Fourth Proportional to 436,265.63, 654,748.41 and 225,963.71

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Solution

The fourth proportional to 436,265.63, 654,748.41 and 225,963.71 is: 339,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,265.63 : 654,748.41 = 225,963.71 : x
  2. Step 2: Convert to fraction form
    436,265.63/654,748.41 = 225,963.71/x
  3. Step 3: Cross multiply
    436,265.63x = 654,748.41 × 225,963.71
  4. Step 4: Simplify right side
    436,265.63x = 147,949,379,840.20
  5. Step 5: Solve for x
    x = 147,949,379,840.20/436,265.63
  6. Step 6: Final answer
    x = 339,126.83

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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.