Finding the Fourth Proportional to 216,193.36, 322,115.58 and 204,121.12
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Solution
The fourth proportional to 216,193.36, 322,115.58 and 204,121.12 is: 304,128.64
Step by Step Solution
- Step 1: Write the proportion equation
216,193.36 : 322,115.58 = 204,121.12 : x - Step 2: Convert to fraction form
216,193.36/322,115.58 = 204,121.12/x - Step 3: Cross multiply
216,193.36x = 322,115.58 × 204,121.12 - Step 4: Simplify right side
216,193.36x = 65,750,592,959.05 - Step 5: Solve for x
x = 65,750,592,959.05/216,193.36 - Step 6: Final answer
x = 304,128.64
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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.