Finding the Fourth Proportional to 190,917.05, 263,450.10 and 110,349.79
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Solution
The fourth proportional to 190,917.05, 263,450.10 and 110,349.79 is: 152,273.79
Step by Step Solution
- Step 1: Write the proportion equation
190,917.05 : 263,450.10 = 110,349.79 : x - Step 2: Convert to fraction form
190,917.05/263,450.10 = 110,349.79/x - Step 3: Cross multiply
190,917.05x = 263,450.10 × 110,349.79 - Step 4: Simplify right side
190,917.05x = 29,071,663,210.48 - Step 5: Solve for x
x = 29,071,663,210.48/190,917.05 - Step 6: Final answer
x = 152,273.79
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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.