Finding the Fourth Proportional to 216,192.36, 322,114.09 and 204,120.12
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Solution
The fourth proportional to 216,192.36, 322,114.09 and 204,120.12 is: 304,127.15
Step by Step Solution
- Step 1: Write the proportion equation
216,192.36 : 322,114.09 = 204,120.12 : x - Step 2: Convert to fraction form
216,192.36/322,114.09 = 204,120.12/x - Step 3: Cross multiply
216,192.36x = 322,114.09 × 204,120.12 - Step 4: Simplify right side
216,192.36x = 65,749,966,704.49 - Step 5: Solve for x
x = 65,749,966,704.49/216,192.36 - Step 6: Final answer
x = 304,127.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.