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Finding the Fourth Proportional to 216,858.06, 325,659.33 and 133,110

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Solution

The fourth proportional to 216,858.06, 325,659.33 and 133,110 is: 199,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,858.06 : 325,659.33 = 133,110 : x
  2. Step 2: Convert to fraction form
    216,858.06/325,659.33 = 133,110/x
  3. Step 3: Cross multiply
    216,858.06x = 325,659.33 × 133,110
  4. Step 4: Simplify right side
    216,858.06x = 43,348,513,416.30
  5. Step 5: Solve for x
    x = 43,348,513,416.30/216,858.06
  6. Step 6: Final answer
    x = 199,893.49

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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.