Finding the Fourth Proportional to 128,299.96, 192,400.74 and 44,044.42
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Solution
The fourth proportional to 128,299.96, 192,400.74 and 44,044.42 is: 66,049.74
Step by Step Solution
- Step 1: Write the proportion equation
128,299.96 : 192,400.74 = 44,044.42 : x - Step 2: Convert to fraction form
128,299.96/192,400.74 = 44,044.42/x - Step 3: Cross multiply
128,299.96x = 192,400.74 × 44,044.42 - Step 4: Simplify right side
128,299.96x = 8,474,179,000.87 - Step 5: Solve for x
x = 8,474,179,000.87/128,299.96 - Step 6: Final answer
x = 66,049.74
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1.5x scale
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.