Finding the Fourth Proportional to 131,852.41, 197,639.19 and 43,082.08
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Solution
The fourth proportional to 131,852.41, 197,639.19 and 43,082.08 is: 64,577.56
Step by Step Solution
- Step 1: Write the proportion equation
131,852.41 : 197,639.19 = 43,082.08 : x - Step 2: Convert to fraction form
131,852.41/197,639.19 = 43,082.08/x - Step 3: Cross multiply
131,852.41x = 197,639.19 × 43,082.08 - Step 4: Simplify right side
131,852.41x = 8,514,706,900.62 - Step 5: Solve for x
x = 8,514,706,900.62/131,852.41 - Step 6: Final answer
x = 64,577.56
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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.