Finding the Fourth Proportional to 207,988.20, 311,982.30 and 183,493.80
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Solution
The fourth proportional to 207,988.20, 311,982.30 and 183,493.80 is: 275,240.70
Step by Step Solution
- Step 1: Write the proportion equation
207,988.20 : 311,982.30 = 183,493.80 : x - Step 2: Convert to fraction form
207,988.20/311,982.30 = 183,493.80/x - Step 3: Cross multiply
207,988.20x = 311,982.30 × 183,493.80 - Step 4: Simplify right side
207,988.20x = 57,246,817,759.74 - Step 5: Solve for x
x = 57,246,817,759.74/207,988.20 - Step 6: Final answer
x = 275,240.70
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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.