Finding the Fourth Proportional to 207,699.08, 311,551.08 and 57,930.27
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Solution
The fourth proportional to 207,699.08, 311,551.08 and 57,930.27 is: 86,896.09
Step by Step Solution
- Step 1: Write the proportion equation
207,699.08 : 311,551.08 = 57,930.27 : x - Step 2: Convert to fraction form
207,699.08/311,551.08 = 57,930.27/x - Step 3: Cross multiply
207,699.08x = 311,551.08 × 57,930.27 - Step 4: Simplify right side
207,699.08x = 18,048,238,183.19 - Step 5: Solve for x
x = 18,048,238,183.19/207,699.08 - Step 6: Final answer
x = 86,896.09
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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.