Finding the Fourth Proportional to 194,238.14, 268,069.11 and 113,691.74
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Solution
The fourth proportional to 194,238.14, 268,069.11 and 113,691.74 is: 156,906.59
Step by Step Solution
- Step 1: Write the proportion equation
194,238.14 : 268,069.11 = 113,691.74 : x - Step 2: Convert to fraction form
194,238.14/268,069.11 = 113,691.74/x - Step 3: Cross multiply
194,238.14x = 268,069.11 × 113,691.74 - Step 4: Simplify right side
194,238.14x = 30,477,243,556.15 - Step 5: Solve for x
x = 30,477,243,556.15/194,238.14 - Step 6: Final answer
x = 156,906.59
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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.