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Finding the Fourth Proportional to 175,635, 242,480.79 and 115,311.33

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Solution

The fourth proportional to 175,635, 242,480.79 and 115,311.33 is: 159,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,635 : 242,480.79 = 115,311.33 : x
  2. Step 2: Convert to fraction form
    175,635/242,480.79 = 115,311.33/x
  3. Step 3: Cross multiply
    175,635x = 242,480.79 × 115,311.33
  4. Step 4: Simplify right side
    175,635x = 27,960,782,394.35
  5. Step 5: Solve for x
    x = 27,960,782,394.35/175,635
  6. Step 6: Final answer
    x = 159,198.24

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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.