Finding the Fourth Proportional to 232,562.43, 320,940.09 and 129,193.92
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Solution
The fourth proportional to 232,562.43, 320,940.09 and 129,193.92 is: 178,289.80
Step by Step Solution
- Step 1: Write the proportion equation
232,562.43 : 320,940.09 = 129,193.92 : x - Step 2: Convert to fraction form
232,562.43/320,940.09 = 129,193.92/x - Step 3: Cross multiply
232,562.43x = 320,940.09 × 129,193.92 - Step 4: Simplify right side
232,562.43x = 41,463,508,312.25 - Step 5: Solve for x
x = 41,463,508,312.25/232,562.43 - Step 6: Final answer
x = 178,289.80
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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.