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Finding the Fourth Proportional to 344,205.18, 475,054.47 and 271,441.26

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Solution

The fourth proportional to 344,205.18, 475,054.47 and 271,441.26 is: 374,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,205.18 : 475,054.47 = 271,441.26 : x
  2. Step 2: Convert to fraction form
    344,205.18/475,054.47 = 271,441.26/x
  3. Step 3: Cross multiply
    344,205.18x = 475,054.47 × 271,441.26
  4. Step 4: Simplify right side
    344,205.18x = 128,949,383,905.43
  5. Step 5: Solve for x
    x = 128,949,383,905.43/344,205.18
  6. Step 6: Final answer
    x = 374,629.41

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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.