Home / 284,845.27-427,136.34-104,885.50

Finding the Fourth Proportional to 284,845.27, 427,136.34 and 104,885.50

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Solution

The fourth proportional to 284,845.27, 427,136.34 and 104,885.50 is: 157,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,845.27 : 427,136.34 = 104,885.50 : x
  2. Step 2: Convert to fraction form
    284,845.27/427,136.34 = 104,885.50/x
  3. Step 3: Cross multiply
    284,845.27x = 427,136.34 × 104,885.50
  4. Step 4: Simplify right side
    284,845.27x = 44,800,408,589.07
  5. Step 5: Solve for x
    x = 44,800,408,589.07/284,845.27
  6. Step 6: Final answer
    x = 157,279.81

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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.