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Finding the Fourth Proportional to 325,243.56, 448,777.08 and 187,401

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Solution

The fourth proportional to 325,243.56, 448,777.08 and 187,401 is: 258,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,243.56 : 448,777.08 = 187,401 : x
  2. Step 2: Convert to fraction form
    325,243.56/448,777.08 = 187,401/x
  3. Step 3: Cross multiply
    325,243.56x = 448,777.08 × 187,401
  4. Step 4: Simplify right side
    325,243.56x = 84,101,273,569.08
  5. Step 5: Solve for x
    x = 84,101,273,569.08/325,243.56
  6. Step 6: Final answer
    x = 258,579.37

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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.