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Finding the Fourth Proportional to 269,958.87, 372,533.13 and 149,097.54

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Solution

The fourth proportional to 269,958.87, 372,533.13 and 149,097.54 is: 205,749.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,958.87 : 372,533.13 = 149,097.54 : x
  2. Step 2: Convert to fraction form
    269,958.87/372,533.13 = 149,097.54/x
  3. Step 3: Cross multiply
    269,958.87x = 372,533.13 × 149,097.54
  4. Step 4: Simplify right side
    269,958.87x = 55,543,773,251.50
  5. Step 5: Solve for x
    x = 55,543,773,251.50/269,958.87
  6. Step 6: Final answer
    x = 205,749.02

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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.