Finding the Fourth Proportional to 194,351.69, 268,113.69 and 113,729.75
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Solution
The fourth proportional to 194,351.69, 268,113.69 and 113,729.75 is: 156,893.44
Step by Step Solution
- Step 1: Write the proportion equation
194,351.69 : 268,113.69 = 113,729.75 : x - Step 2: Convert to fraction form
194,351.69/268,113.69 = 113,729.75/x - Step 3: Cross multiply
194,351.69x = 268,113.69 × 113,729.75 - Step 4: Simplify right side
194,351.69x = 30,492,503,605.56 - Step 5: Solve for x
x = 30,492,503,605.56/194,351.69 - Step 6: Final answer
x = 156,893.44
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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.