Finding the Fourth Proportional to 190,917.57, 263,450.79 and 110,350.29
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Solution
The fourth proportional to 190,917.57, 263,450.79 and 110,350.29 is: 152,274.47
Step by Step Solution
- Step 1: Write the proportion equation
190,917.57 : 263,450.79 = 110,350.29 : x - Step 2: Convert to fraction form
190,917.57/263,450.79 = 110,350.29/x - Step 3: Cross multiply
190,917.57x = 263,450.79 × 110,350.29 - Step 4: Simplify right side
190,917.57x = 29,071,871,077.23 - Step 5: Solve for x
x = 29,071,871,077.23/190,917.57 - Step 6: Final answer
x = 152,274.47
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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.