Home / 321,635.25-443,566.13-200,787.71

Finding the Fourth Proportional to 321,635.25, 443,566.13 and 200,787.71

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Solution

The fourth proportional to 321,635.25, 443,566.13 and 200,787.71 is: 276,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,635.25 : 443,566.13 = 200,787.71 : x
  2. Step 2: Convert to fraction form
    321,635.25/443,566.13 = 200,787.71/x
  3. Step 3: Cross multiply
    321,635.25x = 443,566.13 × 200,787.71
  4. Step 4: Simplify right side
    321,635.25x = 89,062,624,254.49
  5. Step 5: Solve for x
    x = 89,062,624,254.49/321,635.25
  6. Step 6: Final answer
    x = 276,905.67

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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.