Finding the Fourth Proportional to 141,517.78, 212,349.66 and 62,687.68
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Solution
The fourth proportional to 141,517.78, 212,349.66 and 62,687.68 is: 94,063.85
Step by Step Solution
- Step 1: Write the proportion equation
141,517.78 : 212,349.66 = 62,687.68 : x - Step 2: Convert to fraction form
141,517.78/212,349.66 = 62,687.68/x - Step 3: Cross multiply
141,517.78x = 212,349.66 × 62,687.68 - Step 4: Simplify right side
141,517.78x = 13,311,707,534.19 - Step 5: Solve for x
x = 13,311,707,534.19/141,517.78 - Step 6: Final answer
x = 94,063.85
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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.