Finding the Fourth Proportional to 201,530.80, 301,858.80 and 166,538.80
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Solution
The fourth proportional to 201,530.80, 301,858.80 and 166,538.80 is: 249,446.75
Step by Step Solution
- Step 1: Write the proportion equation
201,530.80 : 301,858.80 = 166,538.80 : x - Step 2: Convert to fraction form
201,530.80/301,858.80 = 166,538.80/x - Step 3: Cross multiply
201,530.80x = 301,858.80 × 166,538.80 - Step 4: Simplify right side
201,530.80x = 50,271,202,321.44 - Step 5: Solve for x
x = 50,271,202,321.44/201,530.80 - Step 6: Final answer
x = 249,446.75
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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.