Home / 321,631.83-443,561.49-200,784.33

Finding the Fourth Proportional to 321,631.83, 443,561.49 and 200,784.33

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Solution

The fourth proportional to 321,631.83, 443,561.49 and 200,784.33 is: 276,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,631.83 : 443,561.49 = 200,784.33 : x
  2. Step 2: Convert to fraction form
    321,631.83/443,561.49 = 200,784.33/x
  3. Step 3: Cross multiply
    321,631.83x = 443,561.49 × 200,784.33
  4. Step 4: Simplify right side
    321,631.83x = 89,060,196,583.45
  5. Step 5: Solve for x
    x = 89,060,196,583.45/321,631.83
  6. Step 6: Final answer
    x = 276,901.07

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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.