Finding the Fourth Proportional to 197,868.26, 296,816.16 and 79,539.68
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Solution
The fourth proportional to 197,868.26, 296,816.16 and 79,539.68 is: 119,315.06
Step by Step Solution
- Step 1: Write the proportion equation
197,868.26 : 296,816.16 = 79,539.68 : x - Step 2: Convert to fraction form
197,868.26/296,816.16 = 79,539.68/x - Step 3: Cross multiply
197,868.26x = 296,816.16 × 79,539.68 - Step 4: Simplify right side
197,868.26x = 23,608,662,385.23 - Step 5: Solve for x
x = 23,608,662,385.23/197,868.26 - Step 6: Final answer
x = 119,315.06
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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.