Finding the Fourth Proportional to 92,446.96, 138,691.32 and 29,270.92
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Solution
The fourth proportional to 92,446.96, 138,691.32 and 29,270.92 is: 43,912.99
Step by Step Solution
- Step 1: Write the proportion equation
92,446.96 : 138,691.32 = 29,270.92 : x - Step 2: Convert to fraction form
92,446.96/138,691.32 = 29,270.92/x - Step 3: Cross multiply
92,446.96x = 138,691.32 × 29,270.92 - Step 4: Simplify right side
92,446.96x = 4,059,622,532.41 - Step 5: Solve for x
x = 4,059,622,532.41/92,446.96 - Step 6: Final answer
x = 43,912.99
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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.