Home / 205,940.50-284,234.67-149,515.90

Finding the Fourth Proportional to 205,940.50, 284,234.67 and 149,515.90

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Solution

The fourth proportional to 205,940.50, 284,234.67 and 149,515.90 is: 206,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,940.50 : 284,234.67 = 149,515.90 : x
  2. Step 2: Convert to fraction form
    205,940.50/284,234.67 = 149,515.90/x
  3. Step 3: Cross multiply
    205,940.50x = 284,234.67 × 149,515.90
  4. Step 4: Simplify right side
    205,940.50x = 42,497,602,496.25
  5. Step 5: Solve for x
    x = 42,497,602,496.25/205,940.50
  6. Step 6: Final answer
    x = 206,358.64

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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.