Finding the Fourth Proportional to 204,689.23, 307,093.22 and 84,724.08
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Solution
The fourth proportional to 204,689.23, 307,093.22 and 84,724.08 is: 127,110.69
Step by Step Solution
- Step 1: Write the proportion equation
204,689.23 : 307,093.22 = 84,724.08 : x - Step 2: Convert to fraction form
204,689.23/307,093.22 = 84,724.08/x - Step 3: Cross multiply
204,689.23x = 307,093.22 × 84,724.08 - Step 4: Simplify right side
204,689.23x = 26,018,189,757.81 - Step 5: Solve for x
x = 26,018,189,757.81/204,689.23 - Step 6: Final answer
x = 127,110.69
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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.