Finding the Fourth Proportional to 189,122.24, 260,989.90 and 104,239.31
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Solution
The fourth proportional to 189,122.24, 260,989.90 and 104,239.31 is: 143,850.90
Step by Step Solution
- Step 1: Write the proportion equation
189,122.24 : 260,989.90 = 104,239.31 : x - Step 2: Convert to fraction form
189,122.24/260,989.90 = 104,239.31/x - Step 3: Cross multiply
189,122.24x = 260,989.90 × 104,239.31 - Step 4: Simplify right side
189,122.24x = 27,205,405,527.42 - Step 5: Solve for x
x = 27,205,405,527.42/189,122.24 - Step 6: Final answer
x = 143,850.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.