Finding the Fourth Proportional to 202,574.05, 279,537.64 and 111,928.97
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Solution
The fourth proportional to 202,574.05, 279,537.64 and 111,928.97 is: 154,453.94
Step by Step Solution
- Step 1: Write the proportion equation
202,574.05 : 279,537.64 = 111,928.97 : x - Step 2: Convert to fraction form
202,574.05/279,537.64 = 111,928.97/x - Step 3: Cross multiply
202,574.05x = 279,537.64 × 111,928.97 - Step 4: Simplify right side
202,574.05x = 31,288,360,540.45 - Step 5: Solve for x
x = 31,288,360,540.45/202,574.05 - Step 6: Final answer
x = 154,453.94
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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.