Finding the Fourth Proportional to 216,504.16, 324,761.76 and 102,625.36
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Solution
The fourth proportional to 216,504.16, 324,761.76 and 102,625.36 is: 153,940.66
Step by Step Solution
- Step 1: Write the proportion equation
216,504.16 : 324,761.76 = 102,625.36 : x - Step 2: Convert to fraction form
216,504.16/324,761.76 = 102,625.36/x - Step 3: Cross multiply
216,504.16x = 324,761.76 × 102,625.36 - Step 4: Simplify right side
216,504.16x = 33,328,792,534.23 - Step 5: Solve for x
x = 33,328,792,534.23/216,504.16 - Step 6: Final answer
x = 153,940.66
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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.