Finding the Fourth Proportional to 207,224.22, 310,836.33 and 66,982.84
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Solution
The fourth proportional to 207,224.22, 310,836.33 and 66,982.84 is: 100,474.26
Step by Step Solution
- Step 1: Write the proportion equation
207,224.22 : 310,836.33 = 66,982.84 : x - Step 2: Convert to fraction form
207,224.22/310,836.33 = 66,982.84/x - Step 3: Cross multiply
207,224.22x = 310,836.33 × 66,982.84 - Step 4: Simplify right side
207,224.22x = 20,820,700,158.58 - Step 5: Solve for x
x = 20,820,700,158.58/207,224.22 - Step 6: Final answer
x = 100,474.26
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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.