Finding the Fourth Proportional to 206,260.56, 284,586.48 and 121,361.76
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Solution
The fourth proportional to 206,260.56, 284,586.48 and 121,361.76 is: 167,447.99
Step by Step Solution
- Step 1: Write the proportion equation
206,260.56 : 284,586.48 = 121,361.76 : x - Step 2: Convert to fraction form
206,260.56/284,586.48 = 121,361.76/x - Step 3: Cross multiply
206,260.56x = 284,586.48 × 121,361.76 - Step 4: Simplify right side
206,260.56x = 34,537,916,085.00 - Step 5: Solve for x
x = 34,537,916,085.00/206,260.56 - Step 6: Final answer
x = 167,447.99
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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.