Finding the Fourth Proportional to 198,284.12, 273,425.05 and 117,696.14
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Solution
The fourth proportional to 198,284.12, 273,425.05 and 117,696.14 is: 162,297.78
Step by Step Solution
- Step 1: Write the proportion equation
198,284.12 : 273,425.05 = 117,696.14 : x - Step 2: Convert to fraction form
198,284.12/273,425.05 = 117,696.14/x - Step 3: Cross multiply
198,284.12x = 273,425.05 × 117,696.14 - Step 4: Simplify right side
198,284.12x = 32,181,072,964.31 - Step 5: Solve for x
x = 32,181,072,964.31/198,284.12 - Step 6: Final answer
x = 162,297.78
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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.