Finding the Fourth Proportional to 170,486.42, 235,372.07 and 151,571.21
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Solution
The fourth proportional to 170,486.42, 235,372.07 and 151,571.21 is: 209,257.90
Step by Step Solution
- Step 1: Write the proportion equation
170,486.42 : 235,372.07 = 151,571.21 : x - Step 2: Convert to fraction form
170,486.42/235,372.07 = 151,571.21/x - Step 3: Cross multiply
170,486.42x = 235,372.07 × 151,571.21 - Step 4: Simplify right side
170,486.42x = 35,675,629,450.10 - Step 5: Solve for x
x = 35,675,629,450.10/170,486.42 - Step 6: Final answer
x = 209,257.90
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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.