Finding the Fourth Proportional to 170,112.96, 234,243.36 and 160,138.08
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Solution
The fourth proportional to 170,112.96, 234,243.36 and 160,138.08 is: 220,508.08
Step by Step Solution
- Step 1: Write the proportion equation
170,112.96 : 234,243.36 = 160,138.08 : x - Step 2: Convert to fraction form
170,112.96/234,243.36 = 160,138.08/x - Step 3: Cross multiply
170,112.96x = 234,243.36 × 160,138.08 - Step 4: Simplify right side
170,112.96x = 37,511,281,923.15 - Step 5: Solve for x
x = 37,511,281,923.15/170,112.96 - Step 6: Final answer
x = 220,508.08
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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.