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Finding the Fourth Proportional to 204,610, 306,915 and 56,866

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Solution

The fourth proportional to 204,610, 306,915 and 56,866 is: 85,299

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,610 : 306,915 = 56,866 : x
  2. Step 2: Convert to fraction form
    204,610/306,915 = 56,866/x
  3. Step 3: Cross multiply
    204,610x = 306,915 × 56,866
  4. Step 4: Simplify right side
    204,610x = 17,453,028,390
  5. Step 5: Solve for x
    x = 17,453,028,390/204,610
  6. Step 6: Final answer
    x = 85,299

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.