Finding the Fourth Proportional to 129,922.18, 194,808.81 and 39,941.48
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Solution
The fourth proportional to 129,922.18, 194,808.81 and 39,941.48 is: 59,889.33
Step by Step Solution
- Step 1: Write the proportion equation
129,922.18 : 194,808.81 = 39,941.48 : x - Step 2: Convert to fraction form
129,922.18/194,808.81 = 39,941.48/x - Step 3: Cross multiply
129,922.18x = 194,808.81 × 39,941.48 - Step 4: Simplify right side
129,922.18x = 7,780,952,188.44 - Step 5: Solve for x
x = 7,780,952,188.44/129,922.18 - Step 6: Final answer
x = 59,889.33
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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.