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Finding the Fourth Proportional to 303,187.26, 418,562.46 and 182,355.51

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Solution

The fourth proportional to 303,187.26, 418,562.46 and 182,355.51 is: 251,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,187.26 : 418,562.46 = 182,355.51 : x
  2. Step 2: Convert to fraction form
    303,187.26/418,562.46 = 182,355.51/x
  3. Step 3: Cross multiply
    303,187.26x = 418,562.46 × 182,355.51
  4. Step 4: Simplify right side
    303,187.26x = 76,327,170,860.15
  5. Step 5: Solve for x
    x = 76,327,170,860.15/303,187.26
  6. Step 6: Final answer
    x = 251,749.27

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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.