Finding the Fourth Proportional to 522,631.44, 783,944.28 and 190,207.44
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Solution
The fourth proportional to 522,631.44, 783,944.28 and 190,207.44 is: 285,310.11
Step by Step Solution
- Step 1: Write the proportion equation
522,631.44 : 783,944.28 = 190,207.44 : x - Step 2: Convert to fraction form
522,631.44/783,944.28 = 190,207.44/x - Step 3: Cross multiply
522,631.44x = 783,944.28 × 190,207.44 - Step 4: Simplify right side
522,631.44x = 149,112,034,601.44 - Step 5: Solve for x
x = 149,112,034,601.44/522,631.44 - Step 6: Final answer
x = 285,310.11
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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.