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Finding the Fourth Proportional to 208,837.83, 313,388.52 and 88,894.59

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Solution

The fourth proportional to 208,837.83, 313,388.52 and 88,894.59 is: 133,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,837.83 : 313,388.52 = 88,894.59 : x
  2. Step 2: Convert to fraction form
    208,837.83/313,388.52 = 88,894.59/x
  3. Step 3: Cross multiply
    208,837.83x = 313,388.52 × 88,894.59
  4. Step 4: Simplify right side
    208,837.83x = 27,858,542,206.93
  5. Step 5: Solve for x
    x = 27,858,542,206.93/208,837.83
  6. Step 6: Final answer
    x = 133,397.97

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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.