Finding the Fourth Proportional to 202,322.94, 279,205.68 and 111,678.94
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Solution
The fourth proportional to 202,322.94, 279,205.68 and 111,678.94 is: 154,116.95
Step by Step Solution
- Step 1: Write the proportion equation
202,322.94 : 279,205.68 = 111,678.94 : x - Step 2: Convert to fraction form
202,322.94/279,205.68 = 111,678.94/x - Step 3: Cross multiply
202,322.94x = 279,205.68 × 111,678.94 - Step 4: Simplify right side
202,322.94x = 31,181,394,384.38 - Step 5: Solve for x
x = 31,181,394,384.38/202,322.94 - Step 6: Final answer
x = 154,116.95
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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.