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Finding the Fourth Proportional to 140,910.44, 211,304.22 and 53,297

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Solution

The fourth proportional to 140,910.44, 211,304.22 and 53,297 is: 79,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,910.44 : 211,304.22 = 53,297 : x
  2. Step 2: Convert to fraction form
    140,910.44/211,304.22 = 53,297/x
  3. Step 3: Cross multiply
    140,910.44x = 211,304.22 × 53,297
  4. Step 4: Simplify right side
    140,910.44x = 11,261,881,013.34
  5. Step 5: Solve for x
    x = 11,261,881,013.34/140,910.44
  6. Step 6: Final answer
    x = 79,922.26

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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.