Finding the Fourth Proportional to 206,476.67, 284,933.32 and 115,830.99
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Solution
The fourth proportional to 206,476.67, 284,933.32 and 115,830.99 is: 159,844.25
Step by Step Solution
- Step 1: Write the proportion equation
206,476.67 : 284,933.32 = 115,830.99 : x - Step 2: Convert to fraction form
206,476.67/284,933.32 = 115,830.99/x - Step 3: Cross multiply
206,476.67x = 284,933.32 × 115,830.99 - Step 4: Simplify right side
206,476.67x = 33,004,108,539.59 - Step 5: Solve for x
x = 33,004,108,539.59/206,476.67 - Step 6: Final answer
x = 159,844.25
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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.