Finding the Fourth Proportional to 201,871.85, 302,855.36 and 113,186.57
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Solution
The fourth proportional to 201,871.85, 302,855.36 and 113,186.57 is: 169,806.53
Step by Step Solution
- Step 1: Write the proportion equation
201,871.85 : 302,855.36 = 113,186.57 : x - Step 2: Convert to fraction form
201,871.85/302,855.36 = 113,186.57/x - Step 3: Cross multiply
201,871.85x = 302,855.36 × 113,186.57 - Step 4: Simplify right side
201,871.85x = 34,279,157,324.31 - Step 5: Solve for x
x = 34,279,157,324.31/201,871.85 - Step 6: Final answer
x = 169,806.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.