Finding the Fourth Proportional to 273,918.80, 378,045.49 and 157,629.88
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Solution
The fourth proportional to 273,918.80, 378,045.49 and 157,629.88 is: 217,550.84
Step by Step Solution
- Step 1: Write the proportion equation
273,918.80 : 378,045.49 = 157,629.88 : x - Step 2: Convert to fraction form
273,918.80/378,045.49 = 157,629.88/x - Step 3: Cross multiply
273,918.80x = 378,045.49 × 157,629.88 - Step 4: Simplify right side
273,918.80x = 59,591,263,470.77 - Step 5: Solve for x
x = 59,591,263,470.77/273,918.80 - Step 6: Final answer
x = 217,550.84
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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.