Finding the Fourth Proportional to 275,609.08, 380,382.12 and 168,241.60
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Solution
The fourth proportional to 275,609.08, 380,382.12 and 168,241.60 is: 232,198.80
Step by Step Solution
- Step 1: Write the proportion equation
275,609.08 : 380,382.12 = 168,241.60 : x - Step 2: Convert to fraction form
275,609.08/380,382.12 = 168,241.60/x - Step 3: Cross multiply
275,609.08x = 380,382.12 × 168,241.60 - Step 4: Simplify right side
275,609.08x = 63,996,096,480.19 - Step 5: Solve for x
x = 63,996,096,480.19/275,609.08 - Step 6: Final answer
x = 232,198.80
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1.5x scale
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.