Finding the Fourth Proportional to 208,984.19, 288,486.43 and 141,093.09
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Solution
The fourth proportional to 208,984.19, 288,486.43 and 141,093.09 is: 194,768.05
Step by Step Solution
- Step 1: Write the proportion equation
208,984.19 : 288,486.43 = 141,093.09 : x - Step 2: Convert to fraction form
208,984.19/288,486.43 = 141,093.09/x - Step 3: Cross multiply
208,984.19x = 288,486.43 × 141,093.09 - Step 4: Simplify right side
208,984.19x = 40,703,441,479.04 - Step 5: Solve for x
x = 40,703,441,479.04/208,984.19 - Step 6: Final answer
x = 194,768.05
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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.