Finding the Fourth Proportional to 212,268.20, 292,919.48 and 116,772.44
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Solution
The fourth proportional to 212,268.20, 292,919.48 and 116,772.44 is: 161,140.12
Step by Step Solution
- Step 1: Write the proportion equation
212,268.20 : 292,919.48 = 116,772.44 : x - Step 2: Convert to fraction form
212,268.20/292,919.48 = 116,772.44/x - Step 3: Cross multiply
212,268.20x = 292,919.48 × 116,772.44 - Step 4: Simplify right side
212,268.20x = 34,204,922,403.13 - Step 5: Solve for x
x = 34,204,922,403.13/212,268.20 - Step 6: Final answer
x = 161,140.12
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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.