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Finding the Fourth Proportional to 248,375.67, 342,105.48 and 190,905.09

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Solution

The fourth proportional to 248,375.67, 342,105.48 and 190,905.09 is: 262,947.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,375.67 : 342,105.48 = 190,905.09 : x
  2. Step 2: Convert to fraction form
    248,375.67/342,105.48 = 190,905.09/x
  3. Step 3: Cross multiply
    248,375.67x = 342,105.48 × 190,905.09
  4. Step 4: Simplify right side
    248,375.67x = 65,309,677,448.89
  5. Step 5: Solve for x
    x = 65,309,677,448.89/248,375.67
  6. Step 6: Final answer
    x = 262,947.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.