Finding the Fourth Proportional to 151,837.24, 209,524.98 and 91,396.12
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Solution
The fourth proportional to 151,837.24, 209,524.98 and 91,396.12 is: 126,120.38
Step by Step Solution
- Step 1: Write the proportion equation
151,837.24 : 209,524.98 = 91,396.12 : x - Step 2: Convert to fraction form
151,837.24/209,524.98 = 91,396.12/x - Step 3: Cross multiply
151,837.24x = 209,524.98 × 91,396.12 - Step 4: Simplify right side
151,837.24x = 19,149,770,215.08 - Step 5: Solve for x
x = 19,149,770,215.08/151,837.24 - Step 6: Final answer
x = 126,120.38
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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.