Finding the Fourth Proportional to 206,859.98, 285,495.57 and 116,222.99
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Solution
The fourth proportional to 206,859.98, 285,495.57 and 116,222.99 is: 160,403.90
Step by Step Solution
- Step 1: Write the proportion equation
206,859.98 : 285,495.57 = 116,222.99 : x - Step 2: Convert to fraction form
206,859.98/285,495.57 = 116,222.99/x - Step 3: Cross multiply
206,859.98x = 285,495.57 × 116,222.99 - Step 4: Simplify right side
206,859.98x = 33,181,147,349.68 - Step 5: Solve for x
x = 33,181,147,349.68/206,859.98 - Step 6: Final answer
x = 160,403.90
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1.5x scale
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.