Finding the Fourth Proportional to 129,958.97, 194,967.68 and 41,217.80
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Solution
The fourth proportional to 129,958.97, 194,967.68 and 41,217.80 is: 61,835.96
Step by Step Solution
- Step 1: Write the proportion equation
129,958.97 : 194,967.68 = 41,217.80 : x - Step 2: Convert to fraction form
129,958.97/194,967.68 = 41,217.80/x - Step 3: Cross multiply
129,958.97x = 194,967.68 × 41,217.80 - Step 4: Simplify right side
129,958.97x = 8,036,137,659.78 - Step 5: Solve for x
x = 8,036,137,659.78/129,958.97 - Step 6: Final answer
x = 61,835.96
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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.