Home / 327,938.58-490,796.79-201,658.80

Finding the Fourth Proportional to 327,938.58, 490,796.79 and 201,658.80

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Solution

The fourth proportional to 327,938.58, 490,796.79 and 201,658.80 is: 301,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,938.58 : 490,796.79 = 201,658.80 : x
  2. Step 2: Convert to fraction form
    327,938.58/490,796.79 = 201,658.80/x
  3. Step 3: Cross multiply
    327,938.58x = 490,796.79 × 201,658.80
  4. Step 4: Simplify right side
    327,938.58x = 98,973,492,799.52
  5. Step 5: Solve for x
    x = 98,973,492,799.52/327,938.58
  6. Step 6: Final answer
    x = 301,804.97

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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.