Finding the Fourth Proportional to 201,450.80, 302,409.60 and 108,138.80
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Solution
The fourth proportional to 201,450.80, 302,409.60 and 108,138.80 is: 162,333.49
Step by Step Solution
- Step 1: Write the proportion equation
201,450.80 : 302,409.60 = 108,138.80 : x - Step 2: Convert to fraction form
201,450.80/302,409.60 = 108,138.80/x - Step 3: Cross multiply
201,450.80x = 302,409.60 × 108,138.80 - Step 4: Simplify right side
201,450.80x = 32,702,211,252.48 - Step 5: Solve for x
x = 32,702,211,252.48/201,450.80 - Step 6: Final answer
x = 162,333.49
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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.