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Finding the Fourth Proportional to 186,668, 280,002 and 55,340

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Solution

The fourth proportional to 186,668, 280,002 and 55,340 is: 83,010

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,668 : 280,002 = 55,340 : x
  2. Step 2: Convert to fraction form
    186,668/280,002 = 55,340/x
  3. Step 3: Cross multiply
    186,668x = 280,002 × 55,340
  4. Step 4: Simplify right side
    186,668x = 15,495,310,680
  5. Step 5: Solve for x
    x = 15,495,310,680/186,668
  6. Step 6: Final answer
    x = 83,010

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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.