Finding the Fourth Proportional to 210,183.62, 315,266.61 and 97,825.19
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Solution
The fourth proportional to 210,183.62, 315,266.61 and 97,825.19 is: 146,733.68
Step by Step Solution
- Step 1: Write the proportion equation
210,183.62 : 315,266.61 = 97,825.19 : x - Step 2: Convert to fraction form
210,183.62/315,266.61 = 97,825.19/x - Step 3: Cross multiply
210,183.62x = 315,266.61 × 97,825.19 - Step 4: Simplify right side
210,183.62x = 30,841,016,812.07 - Step 5: Solve for x
x = 30,841,016,812.07/210,183.62 - Step 6: Final answer
x = 146,733.68
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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.