Finding the Fourth Proportional to 190,953.81, 263,486.99 and 110,365.80
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Solution
The fourth proportional to 190,953.81, 263,486.99 and 110,365.80 is: 152,287.89
Step by Step Solution
- Step 1: Write the proportion equation
190,953.81 : 263,486.99 = 110,365.80 : x - Step 2: Convert to fraction form
190,953.81/263,486.99 = 110,365.80/x - Step 3: Cross multiply
190,953.81x = 263,486.99 × 110,365.80 - Step 4: Simplify right side
190,953.81x = 29,079,952,440.94 - Step 5: Solve for x
x = 29,079,952,440.94/190,953.81 - Step 6: Final answer
x = 152,287.89
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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.