Finding the Fourth Proportional to 207,235.20, 311,313.60 and 201,705.60
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Solution
The fourth proportional to 207,235.20, 311,313.60 and 201,705.60 is: 303,006.90
Step by Step Solution
- Step 1: Write the proportion equation
207,235.20 : 311,313.60 = 201,705.60 : x - Step 2: Convert to fraction form
207,235.20/311,313.60 = 201,705.60/x - Step 3: Cross multiply
207,235.20x = 311,313.60 × 201,705.60 - Step 4: Simplify right side
207,235.20x = 62,793,696,476.16 - Step 5: Solve for x
x = 62,793,696,476.16/207,235.20 - Step 6: Final answer
x = 303,006.90
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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.