Finding the Fourth Proportional to 128,269.68, 192,432.92 and 44,027.96
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Solution
The fourth proportional to 128,269.68, 192,432.92 and 44,027.96 is: 66,051.68
Step by Step Solution
- Step 1: Write the proportion equation
128,269.68 : 192,432.92 = 44,027.96 : x - Step 2: Convert to fraction form
128,269.68/192,432.92 = 44,027.96/x - Step 3: Cross multiply
128,269.68x = 192,432.92 × 44,027.96 - Step 4: Simplify right side
128,269.68x = 8,472,427,722.14 - Step 5: Solve for x
x = 8,472,427,722.14/128,269.68 - Step 6: Final answer
x = 66,051.68
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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.