Finding the Fourth Proportional to 195,424.21, 269,662.71 and 109,387.99
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Solution
The fourth proportional to 195,424.21, 269,662.71 and 109,387.99 is: 150,942.71
Step by Step Solution
- Step 1: Write the proportion equation
195,424.21 : 269,662.71 = 109,387.99 : x - Step 2: Convert to fraction form
195,424.21/269,662.71 = 109,387.99/x - Step 3: Cross multiply
195,424.21x = 269,662.71 × 109,387.99 - Step 4: Simplify right side
195,424.21x = 29,497,860,476.54 - Step 5: Solve for x
x = 29,497,860,476.54/195,424.21 - Step 6: Final answer
x = 150,942.71
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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.