Finding the Fourth Proportional to 206,125.26, 284,482.90 and 115,487.36
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Solution
The fourth proportional to 206,125.26, 284,482.90 and 115,487.36 is: 159,389.39
Step by Step Solution
- Step 1: Write the proportion equation
206,125.26 : 284,482.90 = 115,487.36 : x - Step 2: Convert to fraction form
206,125.26/284,482.90 = 115,487.36/x - Step 3: Cross multiply
206,125.26x = 284,482.90 × 115,487.36 - Step 4: Simplify right side
206,125.26x = 32,854,179,086.14 - Step 5: Solve for x
x = 32,854,179,086.14/206,125.26 - Step 6: Final answer
x = 159,389.39
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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.