Finding the Fourth Proportional to 213,879.62, 295,219.68 and 123,296.17
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Solution
The fourth proportional to 213,879.62, 295,219.68 and 123,296.17 is: 170,186.65
Step by Step Solution
- Step 1: Write the proportion equation
213,879.62 : 295,219.68 = 123,296.17 : x - Step 2: Convert to fraction form
213,879.62/295,219.68 = 123,296.17/x - Step 3: Cross multiply
213,879.62x = 295,219.68 × 123,296.17 - Step 4: Simplify right side
213,879.62x = 36,399,455,852.63 - Step 5: Solve for x
x = 36,399,455,852.63/213,879.62 - Step 6: Final answer
x = 170,186.65
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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.