Finding the Fourth Proportional to 191,252.91, 263,912.74 and 110,685.42
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Solution
The fourth proportional to 191,252.91, 263,912.74 and 110,685.42 is: 152,736.46
Step by Step Solution
- Step 1: Write the proportion equation
191,252.91 : 263,912.74 = 110,685.42 : x - Step 2: Convert to fraction form
191,252.91/263,912.74 = 110,685.42/x - Step 3: Cross multiply
191,252.91x = 263,912.74 × 110,685.42 - Step 4: Simplify right side
191,252.91x = 29,211,292,470.25 - Step 5: Solve for x
x = 29,211,292,470.25/191,252.91 - Step 6: Final answer
x = 152,736.46
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1.5x scale
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.