Finding the Fourth Proportional to 253,823.63, 380,652.39 and 118,845.92
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Solution
The fourth proportional to 253,823.63, 380,652.39 and 118,845.92 is: 178,229.99
Step by Step Solution
- Step 1: Write the proportion equation
253,823.63 : 380,652.39 = 118,845.92 : x - Step 2: Convert to fraction form
253,823.63/380,652.39 = 118,845.92/x - Step 3: Cross multiply
253,823.63x = 380,652.39 × 118,845.92 - Step 4: Simplify right side
253,823.63x = 45,238,981,586.49 - Step 5: Solve for x
x = 45,238,981,586.49/253,823.63 - Step 6: Final answer
x = 178,229.99
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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.