Finding the Fourth Proportional to 281,273.14, 422,201.40 and 188,427.70
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Solution
The fourth proportional to 281,273.14, 422,201.40 and 188,427.70 is: 282,836.96
Step by Step Solution
- Step 1: Write the proportion equation
281,273.14 : 422,201.40 = 188,427.70 : x - Step 2: Convert to fraction form
281,273.14/422,201.40 = 188,427.70/x - Step 3: Cross multiply
281,273.14x = 422,201.40 × 188,427.70 - Step 4: Simplify right side
281,273.14x = 79,554,438,738.78 - Step 5: Solve for x
x = 79,554,438,738.78/281,273.14 - Step 6: Final answer
x = 282,836.96
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1.5x scale
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.