Home / 397,865.28-596,804.04-221,493.30

Finding the Fourth Proportional to 397,865.28, 596,804.04 and 221,493.30

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Solution

The fourth proportional to 397,865.28, 596,804.04 and 221,493.30 is: 332,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,865.28 : 596,804.04 = 221,493.30 : x
  2. Step 2: Convert to fraction form
    397,865.28/596,804.04 = 221,493.30/x
  3. Step 3: Cross multiply
    397,865.28x = 596,804.04 × 221,493.30
  4. Step 4: Simplify right side
    397,865.28x = 132,188,096,272.93
  5. Step 5: Solve for x
    x = 132,188,096,272.93/397,865.28
  6. Step 6: Final answer
    x = 332,243.36

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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.