Finding the Fourth Proportional to 206,173.53, 284,514.66 and 121,296.06
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Solution
The fourth proportional to 206,173.53, 284,514.66 and 121,296.06 is: 167,385.73
Step by Step Solution
- Step 1: Write the proportion equation
206,173.53 : 284,514.66 = 121,296.06 : x - Step 2: Convert to fraction form
206,173.53/284,514.66 = 121,296.06/x - Step 3: Cross multiply
206,173.53x = 284,514.66 × 121,296.06 - Step 4: Simplify right side
206,173.53x = 34,510,507,270.24 - Step 5: Solve for x
x = 34,510,507,270.24/206,173.53 - Step 6: Final answer
x = 167,385.73
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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.