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Finding the Fourth Proportional to 323,696.39, 446,702.93 and 187,811.27

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Solution

The fourth proportional to 323,696.39, 446,702.93 and 187,811.27 is: 259,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,696.39 : 446,702.93 = 187,811.27 : x
  2. Step 2: Convert to fraction form
    323,696.39/446,702.93 = 187,811.27/x
  3. Step 3: Cross multiply
    323,696.39x = 446,702.93 × 187,811.27
  4. Step 4: Simplify right side
    323,696.39x = 83,895,842,832.03
  5. Step 5: Solve for x
    x = 83,895,842,832.03/323,696.39
  6. Step 6: Final answer
    x = 259,180.65

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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.