Finding the Fourth Proportional to 207,936.40, 311,904.60 and 202,104.40
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Solution
The fourth proportional to 207,936.40, 311,904.60 and 202,104.40 is: 303,156.60
Step by Step Solution
- Step 1: Write the proportion equation
207,936.40 : 311,904.60 = 202,104.40 : x - Step 2: Convert to fraction form
207,936.40/311,904.60 = 202,104.40/x - Step 3: Cross multiply
207,936.40x = 311,904.60 × 202,104.40 - Step 4: Simplify right side
207,936.40x = 63,037,292,040.24 - Step 5: Solve for x
x = 63,037,292,040.24/207,936.40 - Step 6: Final answer
x = 303,156.60
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1.5x scale
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.