Finding the Fourth Proportional to 295,218.68, 407,406.48 and 161,082.68
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Solution
The fourth proportional to 295,218.68, 407,406.48 and 161,082.68 is: 222,296.66
Step by Step Solution
- Step 1: Write the proportion equation
295,218.68 : 407,406.48 = 161,082.68 : x - Step 2: Convert to fraction form
295,218.68/407,406.48 = 161,082.68/x - Step 3: Cross multiply
295,218.68x = 407,406.48 × 161,082.68 - Step 4: Simplify right side
295,218.68x = 65,626,127,647.77 - Step 5: Solve for x
x = 65,626,127,647.77/295,218.68 - Step 6: Final answer
x = 222,296.66
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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.