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Finding the Fourth Proportional to 408,828, 613,242 and 113,340

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Solution

The fourth proportional to 408,828, 613,242 and 113,340 is: 170,010

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,828 : 613,242 = 113,340 : x
  2. Step 2: Convert to fraction form
    408,828/613,242 = 113,340/x
  3. Step 3: Cross multiply
    408,828x = 613,242 × 113,340
  4. Step 4: Simplify right side
    408,828x = 69,504,848,280
  5. Step 5: Solve for x
    x = 69,504,848,280/408,828
  6. Step 6: Final answer
    x = 170,010

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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.