Home / 351,542.12-485,136.42-200,653.16

Finding the Fourth Proportional to 351,542.12, 485,136.42 and 200,653.16

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Solution

The fourth proportional to 351,542.12, 485,136.42 and 200,653.16 is: 276,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,542.12 : 485,136.42 = 200,653.16 : x
  2. Step 2: Convert to fraction form
    351,542.12/485,136.42 = 200,653.16/x
  3. Step 3: Cross multiply
    351,542.12x = 485,136.42 × 200,653.16
  4. Step 4: Simplify right side
    351,542.12x = 97,344,155,704.09
  5. Step 5: Solve for x
    x = 97,344,155,704.09/351,542.12
  6. Step 6: Final answer
    x = 276,906.10

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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.