Finding the Fourth Proportional to 225,889.62, 338,614.11 and 107,529.18
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Solution
The fourth proportional to 225,889.62, 338,614.11 and 107,529.18 is: 161,188.89
Step by Step Solution
- Step 1: Write the proportion equation
225,889.62 : 338,614.11 = 107,529.18 : x - Step 2: Convert to fraction form
225,889.62/338,614.11 = 107,529.18/x - Step 3: Cross multiply
225,889.62x = 338,614.11 × 107,529.18 - Step 4: Simplify right side
225,889.62x = 36,410,897,584.73 - Step 5: Solve for x
x = 36,410,897,584.73/225,889.62 - Step 6: Final answer
x = 161,188.89
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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.