Home / 321,669.70-443,837.73-185,701.30

Finding the Fourth Proportional to 321,669.70, 443,837.73 and 185,701.30

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Solution

The fourth proportional to 321,669.70, 443,837.73 and 185,701.30 is: 256,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,669.70 : 443,837.73 = 185,701.30 : x
  2. Step 2: Convert to fraction form
    321,669.70/443,837.73 = 185,701.30/x
  3. Step 3: Cross multiply
    321,669.70x = 443,837.73 × 185,701.30
  4. Step 4: Simplify right side
    321,669.70x = 82,421,243,450.05
  5. Step 5: Solve for x
    x = 82,421,243,450.05/321,669.70
  6. Step 6: Final answer
    x = 256,229.43

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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.