Finding the Fourth Proportional to 207,905.19, 311,858.81 and 58,146.03
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Solution
The fourth proportional to 207,905.19, 311,858.81 and 58,146.03 is: 87,219.33
Step by Step Solution
- Step 1: Write the proportion equation
207,905.19 : 311,858.81 = 58,146.03 : x - Step 2: Convert to fraction form
207,905.19/311,858.81 = 58,146.03/x - Step 3: Cross multiply
207,905.19x = 311,858.81 × 58,146.03 - Step 4: Simplify right side
207,905.19x = 18,133,351,431.29 - Step 5: Solve for x
x = 18,133,351,431.29/207,905.19 - Step 6: Final answer
x = 87,219.33
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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.