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Finding the Fourth Proportional to 344,639.54, 475,597.89 and 191,676.26

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Solution

The fourth proportional to 344,639.54, 475,597.89 and 191,676.26 is: 264,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,639.54 : 475,597.89 = 191,676.26 : x
  2. Step 2: Convert to fraction form
    344,639.54/475,597.89 = 191,676.26/x
  3. Step 3: Cross multiply
    344,639.54x = 475,597.89 × 191,676.26
  4. Step 4: Simplify right side
    344,639.54x = 91,160,824,819.09
  5. Step 5: Solve for x
    x = 91,160,824,819.09/344,639.54
  6. Step 6: Final answer
    x = 264,510.64

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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.