Finding the Fourth Proportional to 129,826.08, 194,759.10 and 54,946.62
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Solution
The fourth proportional to 129,826.08, 194,759.10 and 54,946.62 is: 82,428.39
Step by Step Solution
- Step 1: Write the proportion equation
129,826.08 : 194,759.10 = 54,946.62 : x - Step 2: Convert to fraction form
129,826.08/194,759.10 = 54,946.62/x - Step 3: Cross multiply
129,826.08x = 194,759.10 × 54,946.62 - Step 4: Simplify right side
129,826.08x = 10,701,354,259.24 - Step 5: Solve for x
x = 10,701,354,259.24/129,826.08 - Step 6: Final answer
x = 82,428.39
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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.