Finding the Fourth Proportional to 303,944.70, 426,455.70 and 303,944.70
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Solution
The fourth proportional to 303,944.70, 426,455.70 and 303,944.70 is: 426,455.70
Step by Step Solution
- Step 1: Write the proportion equation
303,944.70 : 426,455.70 = 303,944.70 : x - Step 2: Convert to fraction form
303,944.70/426,455.70 = 303,944.70/x - Step 3: Cross multiply
303,944.70x = 426,455.70 × 303,944.70 - Step 4: Simplify right side
303,944.70x = 129,618,949,799.79 - Step 5: Solve for x
x = 129,618,949,799.79/303,944.70 - Step 6: Final answer
x = 426,455.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.