Finding the Fourth Proportional to 199,571.58, 299,181.33 and 81,341.82
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Solution
The fourth proportional to 199,571.58, 299,181.33 and 81,341.82 is: 121,940.98
Step by Step Solution
- Step 1: Write the proportion equation
199,571.58 : 299,181.33 = 81,341.82 : x - Step 2: Convert to fraction form
199,571.58/299,181.33 = 81,341.82/x - Step 3: Cross multiply
199,571.58x = 299,181.33 × 81,341.82 - Step 4: Simplify right side
199,571.58x = 24,335,953,892.22 - Step 5: Solve for x
x = 24,335,953,892.22/199,571.58 - Step 6: Final answer
x = 121,940.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.