Finding the Fourth Proportional to 194,325.39, 268,236.12 and 113,778.78
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Solution
The fourth proportional to 194,325.39, 268,236.12 and 113,778.78 is: 157,053.99
Step by Step Solution
- Step 1: Write the proportion equation
194,325.39 : 268,236.12 = 113,778.78 : x - Step 2: Convert to fraction form
194,325.39/268,236.12 = 113,778.78/x - Step 3: Cross multiply
194,325.39x = 268,236.12 × 113,778.78 - Step 4: Simplify right side
194,325.39x = 30,519,578,485.53 - Step 5: Solve for x
x = 30,519,578,485.53/194,325.39 - Step 6: Final answer
x = 157,053.99
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1.5x scale
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.