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Finding the Fourth Proportional to 344,492.37, 475,426.09 and 206,676.45

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Solution

The fourth proportional to 344,492.37, 475,426.09 and 206,676.45 is: 285,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,492.37 : 475,426.09 = 206,676.45 : x
  2. Step 2: Convert to fraction form
    344,492.37/475,426.09 = 206,676.45/x
  3. Step 3: Cross multiply
    344,492.37x = 475,426.09 × 206,676.45
  4. Step 4: Simplify right side
    344,492.37x = 98,259,376,001.89
  5. Step 5: Solve for x
    x = 98,259,376,001.89/344,492.37
  6. Step 6: Final answer
    x = 285,229.47

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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.