Home / 327,916.51-491,800.93-214,028.49

Finding the Fourth Proportional to 327,916.51, 491,800.93 and 214,028.49

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Solution

The fourth proportional to 327,916.51, 491,800.93 and 214,028.49 is: 320,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,916.51 : 491,800.93 = 214,028.49 : x
  2. Step 2: Convert to fraction form
    327,916.51/491,800.93 = 214,028.49/x
  3. Step 3: Cross multiply
    327,916.51x = 491,800.93 × 214,028.49
  4. Step 4: Simplify right side
    327,916.51x = 105,259,410,428.50
  5. Step 5: Solve for x
    x = 105,259,410,428.50/327,916.51
  6. Step 6: Final answer
    x = 320,994.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.