Finding the Fourth Proportional to 207,463.40, 311,348.70 and 82,893.80
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Solution
The fourth proportional to 207,463.40, 311,348.70 and 82,893.80 is: 124,402.07
Step by Step Solution
- Step 1: Write the proportion equation
207,463.40 : 311,348.70 = 82,893.80 : x - Step 2: Convert to fraction form
207,463.40/311,348.70 = 82,893.80/x - Step 3: Cross multiply
207,463.40x = 311,348.70 × 82,893.80 - Step 4: Simplify right side
207,463.40x = 25,808,876,868.06 - Step 5: Solve for x
x = 25,808,876,868.06/207,463.40 - Step 6: Final answer
x = 124,402.07
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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.