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Finding the Fourth Proportional to 102,866, 154,299 and 28,994

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Solution

The fourth proportional to 102,866, 154,299 and 28,994 is: 43,491

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,866 : 154,299 = 28,994 : x
  2. Step 2: Convert to fraction form
    102,866/154,299 = 28,994/x
  3. Step 3: Cross multiply
    102,866x = 154,299 × 28,994
  4. Step 4: Simplify right side
    102,866x = 4,473,745,206
  5. Step 5: Solve for x
    x = 4,473,745,206/102,866
  6. Step 6: Final answer
    x = 43,491

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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.