Finding the Fourth Proportional to 192,679.26, 265,891.87 and 106,641.77
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Solution
The fourth proportional to 192,679.26, 265,891.87 and 106,641.77 is: 147,162.59
Step by Step Solution
- Step 1: Write the proportion equation
192,679.26 : 265,891.87 = 106,641.77 : x - Step 2: Convert to fraction form
192,679.26/265,891.87 = 106,641.77/x - Step 3: Cross multiply
192,679.26x = 265,891.87 × 106,641.77 - Step 4: Simplify right side
192,679.26x = 28,355,178,524.23 - Step 5: Solve for x
x = 28,355,178,524.23/192,679.26 - Step 6: Final answer
x = 147,162.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.