Finding the Fourth Proportional to 135,198.95, 202,782.92 and 35,368.79
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Solution
The fourth proportional to 135,198.95, 202,782.92 and 35,368.79 is: 53,049.12
Step by Step Solution
- Step 1: Write the proportion equation
135,198.95 : 202,782.92 = 35,368.79 : x - Step 2: Convert to fraction form
135,198.95/202,782.92 = 35,368.79/x - Step 3: Cross multiply
135,198.95x = 202,782.92 × 35,368.79 - Step 4: Simplify right side
135,198.95x = 7,172,185,322.31 - Step 5: Solve for x
x = 7,172,185,322.31/135,198.95 - Step 6: Final answer
x = 53,049.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.