Finding the Fourth Proportional to 200,571.75, 276,205.71 and 187,750.26
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Solution
The fourth proportional to 200,571.75, 276,205.71 and 187,750.26 is: 258,549.34
Step by Step Solution
- Step 1: Write the proportion equation
200,571.75 : 276,205.71 = 187,750.26 : x - Step 2: Convert to fraction form
200,571.75/276,205.71 = 187,750.26/x - Step 3: Cross multiply
200,571.75x = 276,205.71 × 187,750.26 - Step 4: Simplify right side
200,571.75x = 51,857,693,865.98 - Step 5: Solve for x
x = 51,857,693,865.98/200,571.75 - Step 6: Final answer
x = 258,549.34
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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.