Finding the Fourth Proportional to 117,993.26, 177,879.36 and 110,382.50
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Solution
The fourth proportional to 117,993.26, 177,879.36 and 110,382.50 is: 166,405.85
Step by Step Solution
- Step 1: Write the proportion equation
117,993.26 : 177,879.36 = 110,382.50 : x - Step 2: Convert to fraction form
117,993.26/177,879.36 = 110,382.50/x - Step 3: Cross multiply
117,993.26x = 177,879.36 × 110,382.50 - Step 4: Simplify right side
117,993.26x = 19,634,768,455.20 - Step 5: Solve for x
x = 19,634,768,455.20/117,993.26 - Step 6: Final answer
x = 166,405.85
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.