Finding the Fourth Proportional to 232,474.32, 320,825.22 and 129,108.99
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Solution
The fourth proportional to 232,474.32, 320,825.22 and 129,108.99 is: 178,176.33
Step by Step Solution
- Step 1: Write the proportion equation
232,474.32 : 320,825.22 = 129,108.99 : x - Step 2: Convert to fraction form
232,474.32/320,825.22 = 129,108.99/x - Step 3: Cross multiply
232,474.32x = 320,825.22 × 129,108.99 - Step 4: Simplify right side
232,474.32x = 41,421,420,120.73 - Step 5: Solve for x
x = 41,421,420,120.73/232,474.32 - Step 6: Final answer
x = 178,176.33
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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.