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Finding the Fourth Proportional to 201,059.33, 277,466.49 and 115,026.39

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Solution

The fourth proportional to 201,059.33, 277,466.49 and 115,026.39 is: 158,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,059.33 : 277,466.49 = 115,026.39 : x
  2. Step 2: Convert to fraction form
    201,059.33/277,466.49 = 115,026.39/x
  3. Step 3: Cross multiply
    201,059.33x = 277,466.49 × 115,026.39
  4. Step 4: Simplify right side
    201,059.33x = 31,915,968,690.67
  5. Step 5: Solve for x
    x = 31,915,968,690.67/201,059.33
  6. Step 6: Final answer
    x = 158,739.06

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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.