Finding the Fourth Proportional to 192,634.80, 288,865.80 and 74,266.80
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Solution
The fourth proportional to 192,634.80, 288,865.80 and 74,266.80 is: 111,366.89
Step by Step Solution
- Step 1: Write the proportion equation
192,634.80 : 288,865.80 = 74,266.80 : x - Step 2: Convert to fraction form
192,634.80/288,865.80 = 74,266.80/x - Step 3: Cross multiply
192,634.80x = 288,865.80 × 74,266.80 - Step 4: Simplify right side
192,634.80x = 21,453,138,595.44 - Step 5: Solve for x
x = 21,453,138,595.44/192,634.80 - Step 6: Final answer
x = 111,366.89
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1.5x scale
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.