Finding the Fourth Proportional to 226,469.40, 339,963.30 and 133,027.80
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Solution
The fourth proportional to 226,469.40, 339,963.30 and 133,027.80 is: 199,693.95
Step by Step Solution
- Step 1: Write the proportion equation
226,469.40 : 339,963.30 = 133,027.80 : x - Step 2: Convert to fraction form
226,469.40/339,963.30 = 133,027.80/x - Step 3: Cross multiply
226,469.40x = 339,963.30 × 133,027.80 - Step 4: Simplify right side
226,469.40x = 45,224,569,879.74 - Step 5: Solve for x
x = 45,224,569,879.74/226,469.40 - Step 6: Final answer
x = 199,693.95
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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.