Finding the Fourth Proportional to 207,823.92, 311,772.60 and 67,557.84
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Solution
The fourth proportional to 207,823.92, 311,772.60 and 67,557.84 is: 101,348.70
Step by Step Solution
- Step 1: Write the proportion equation
207,823.92 : 311,772.60 = 67,557.84 : x - Step 2: Convert to fraction form
207,823.92/311,772.60 = 67,557.84/x - Step 3: Cross multiply
207,823.92x = 311,772.60 × 67,557.84 - Step 4: Simplify right side
207,823.92x = 21,062,683,427.18 - Step 5: Solve for x
x = 21,062,683,427.18/207,823.92 - Step 6: Final answer
x = 101,348.70
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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.