Finding the Fourth Proportional to 210,186.97, 289,982.23 and 161,803.69
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Solution
The fourth proportional to 210,186.97, 289,982.23 and 161,803.69 is: 223,230.75
Step by Step Solution
- Step 1: Write the proportion equation
210,186.97 : 289,982.23 = 161,803.69 : x - Step 2: Convert to fraction form
210,186.97/289,982.23 = 161,803.69/x - Step 3: Cross multiply
210,186.97x = 289,982.23 × 161,803.69 - Step 4: Simplify right side
210,186.97x = 46,920,193,718.96 - Step 5: Solve for x
x = 46,920,193,718.96/210,186.97 - Step 6: Final answer
x = 223,230.75
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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.