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Finding the Fourth Proportional to 241,288.40, 332,978.39 and 133,858.43

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Solution

The fourth proportional to 241,288.40, 332,978.39 and 133,858.43 is: 184,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,288.40 : 332,978.39 = 133,858.43 : x
  2. Step 2: Convert to fraction form
    241,288.40/332,978.39 = 133,858.43/x
  3. Step 3: Cross multiply
    241,288.40x = 332,978.39 × 133,858.43
  4. Step 4: Simplify right side
    241,288.40x = 44,571,962,175.14
  5. Step 5: Solve for x
    x = 44,571,962,175.14/241,288.40
  6. Step 6: Final answer
    x = 184,724.85

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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.