Finding the Fourth Proportional to 201,532.80, 301,861.80 and 166,540.80
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Solution
The fourth proportional to 201,532.80, 301,861.80 and 166,540.80 is: 249,449.75
Step by Step Solution
- Step 1: Write the proportion equation
201,532.80 : 301,861.80 = 166,540.80 : x - Step 2: Convert to fraction form
201,532.80/301,861.80 = 166,540.80/x - Step 3: Cross multiply
201,532.80x = 301,861.80 × 166,540.80 - Step 4: Simplify right side
201,532.80x = 50,272,305,661.44 - Step 5: Solve for x
x = 50,272,305,661.44/201,532.80 - Step 6: Final answer
x = 249,449.75
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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.