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Finding the Fourth Proportional to 204,412, 306,618 and 56,668

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Solution

The fourth proportional to 204,412, 306,618 and 56,668 is: 85,002

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,412 : 306,618 = 56,668 : x
  2. Step 2: Convert to fraction form
    204,412/306,618 = 56,668/x
  3. Step 3: Cross multiply
    204,412x = 306,618 × 56,668
  4. Step 4: Simplify right side
    204,412x = 17,375,428,824
  5. Step 5: Solve for x
    x = 17,375,428,824/204,412
  6. Step 6: Final answer
    x = 85,002

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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.