Home / 284,634.41-427,021.70-200,558.79

Finding the Fourth Proportional to 284,634.41, 427,021.70 and 200,558.79

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Solution

The fourth proportional to 284,634.41, 427,021.70 and 200,558.79 is: 300,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,634.41 : 427,021.70 = 200,558.79 : x
  2. Step 2: Convert to fraction form
    284,634.41/427,021.70 = 200,558.79/x
  3. Step 3: Cross multiply
    284,634.41x = 427,021.70 × 200,558.79
  4. Step 4: Simplify right side
    284,634.41x = 85,642,954,452.95
  5. Step 5: Solve for x
    x = 85,642,954,452.95/284,634.41
  6. Step 6: Final answer
    x = 300,887.57

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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.