Home / 284,299.75-426,199.83-115,961.80

Finding the Fourth Proportional to 284,299.75, 426,199.83 and 115,961.80

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Solution

The fourth proportional to 284,299.75, 426,199.83 and 115,961.80 is: 173,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,299.75 : 426,199.83 = 115,961.80 : x
  2. Step 2: Convert to fraction form
    284,299.75/426,199.83 = 115,961.80/x
  3. Step 3: Cross multiply
    284,299.75x = 426,199.83 × 115,961.80
  4. Step 4: Simplify right side
    284,299.75x = 49,422,899,943.95
  5. Step 5: Solve for x
    x = 49,422,899,943.95/284,299.75
  6. Step 6: Final answer
    x = 173,840.81

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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.