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Finding the Fourth Proportional to 144,411.52, 216,537.98 and 44,544

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Solution

The fourth proportional to 144,411.52, 216,537.98 and 44,544 is: 66,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,411.52 : 216,537.98 = 44,544 : x
  2. Step 2: Convert to fraction form
    144,411.52/216,537.98 = 44,544/x
  3. Step 3: Cross multiply
    144,411.52x = 216,537.98 × 44,544
  4. Step 4: Simplify right side
    144,411.52x = 9,645,467,781.12
  5. Step 5: Solve for x
    x = 9,645,467,781.12/144,411.52
  6. Step 6: Final answer
    x = 66,791.54

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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.