Finding the Fourth Proportional to 232,418.12, 320,737.67 and 129,052.53
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Solution
The fourth proportional to 232,418.12, 320,737.67 and 129,052.53 is: 178,092.86
Step by Step Solution
- Step 1: Write the proportion equation
232,418.12 : 320,737.67 = 129,052.53 : x - Step 2: Convert to fraction form
232,418.12/320,737.67 = 129,052.53/x - Step 3: Cross multiply
232,418.12x = 320,737.67 × 129,052.53 - Step 4: Simplify right side
232,418.12x = 41,392,007,779.81 - Step 5: Solve for x
x = 41,392,007,779.81/232,418.12 - Step 6: Final answer
x = 178,092.86
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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.