Finding the Fourth Proportional to 189,343.82, 261,296.08 and 104,466.62
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Solution
The fourth proportional to 189,343.82, 261,296.08 and 104,466.62 is: 144,164.82
Step by Step Solution
- Step 1: Write the proportion equation
189,343.82 : 261,296.08 = 104,466.62 : x - Step 2: Convert to fraction form
189,343.82/261,296.08 = 104,466.62/x - Step 3: Cross multiply
189,343.82x = 261,296.08 × 104,466.62 - Step 4: Simplify right side
189,343.82x = 27,296,718,296.85 - Step 5: Solve for x
x = 27,296,718,296.85/189,343.82 - Step 6: Final answer
x = 144,164.82
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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.