Finding the Fourth Proportional to 129,397.99, 194,099.56 and 34,628.02
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Solution
The fourth proportional to 129,397.99, 194,099.56 and 34,628.02 is: 51,942.72
Step by Step Solution
- Step 1: Write the proportion equation
129,397.99 : 194,099.56 = 34,628.02 : x - Step 2: Convert to fraction form
129,397.99/194,099.56 = 34,628.02/x - Step 3: Cross multiply
129,397.99x = 194,099.56 × 34,628.02 - Step 4: Simplify right side
129,397.99x = 6,721,283,532.24 - Step 5: Solve for x
x = 6,721,283,532.24/129,397.99 - Step 6: Final answer
x = 51,942.72
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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.