Finding the Fourth Proportional to 98,486.92, 135,906.36 and 58,204.44
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Solution
The fourth proportional to 98,486.92, 135,906.36 and 58,204.44 is: 80,318.82
Step by Step Solution
- Step 1: Write the proportion equation
98,486.92 : 135,906.36 = 58,204.44 : x - Step 2: Convert to fraction form
98,486.92/135,906.36 = 58,204.44/x - Step 3: Cross multiply
98,486.92x = 135,906.36 × 58,204.44 - Step 4: Simplify right side
98,486.92x = 7,910,353,576.24 - Step 5: Solve for x
x = 7,910,353,576.24/98,486.92 - Step 6: Final answer
x = 80,318.82
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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.