Finding the Fourth Proportional to 454,909.97, 682,367.69 and 202,131.05
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Solution
The fourth proportional to 454,909.97, 682,367.69 and 202,131.05 is: 303,197.78
Step by Step Solution
- Step 1: Write the proportion equation
454,909.97 : 682,367.69 = 202,131.05 : x - Step 2: Convert to fraction form
454,909.97/682,367.69 = 202,131.05/x - Step 3: Cross multiply
454,909.97x = 682,367.69 × 202,131.05 - Step 4: Simplify right side
454,909.97x = 137,927,694,759.26 - Step 5: Solve for x
x = 137,927,694,759.26/454,909.97 - Step 6: Final answer
x = 303,197.78
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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.