Finding the Fourth Proportional to 209,230.18, 288,716.07 and 124,330.84
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Solution
The fourth proportional to 209,230.18, 288,716.07 and 124,330.84 is: 171,563.74
Step by Step Solution
- Step 1: Write the proportion equation
209,230.18 : 288,716.07 = 124,330.84 : x - Step 2: Convert to fraction form
209,230.18/288,716.07 = 124,330.84/x - Step 3: Cross multiply
209,230.18x = 288,716.07 × 124,330.84 - Step 4: Simplify right side
209,230.18x = 35,896,311,504.60 - Step 5: Solve for x
x = 35,896,311,504.60/209,230.18 - Step 6: Final answer
x = 171,563.74
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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.