Finding the Fourth Proportional to 157,573.26, 217,446.99 and 85,954.38
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Solution
The fourth proportional to 157,573.26, 217,446.99 and 85,954.38 is: 118,614.80
Step by Step Solution
- Step 1: Write the proportion equation
157,573.26 : 217,446.99 = 85,954.38 : x - Step 2: Convert to fraction form
157,573.26/217,446.99 = 85,954.38/x - Step 3: Cross multiply
157,573.26x = 217,446.99 × 85,954.38 - Step 4: Simplify right side
157,573.26x = 18,690,521,208.32 - Step 5: Solve for x
x = 18,690,521,208.32/157,573.26 - Step 6: Final answer
x = 118,614.80
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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.