Finding the Fourth Proportional to 277,183.20, 382,513.12 and 149,858.80
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Solution
The fourth proportional to 277,183.20, 382,513.12 and 149,858.80 is: 206,805.31
Step by Step Solution
- Step 1: Write the proportion equation
277,183.20 : 382,513.12 = 149,858.80 : x - Step 2: Convert to fraction form
277,183.20/382,513.12 = 149,858.80/x - Step 3: Cross multiply
277,183.20x = 382,513.12 × 149,858.80 - Step 4: Simplify right side
277,183.20x = 57,322,957,147.46 - Step 5: Solve for x
x = 57,322,957,147.46/277,183.20 - Step 6: Final answer
x = 206,805.31
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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.