Finding the Fourth Proportional to 129,955.08, 194,932.47 and 48,917.23
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Solution
The fourth proportional to 129,955.08, 194,932.47 and 48,917.23 is: 73,375.79
Step by Step Solution
- Step 1: Write the proportion equation
129,955.08 : 194,932.47 = 48,917.23 : x - Step 2: Convert to fraction form
129,955.08/194,932.47 = 48,917.23/x - Step 3: Cross multiply
129,955.08x = 194,932.47 × 48,917.23 - Step 4: Simplify right side
129,955.08x = 9,535,556,469.46 - Step 5: Solve for x
x = 9,535,556,469.46/129,955.08 - Step 6: Final answer
x = 73,375.79
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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.