Finding the Fourth Proportional to 128,427.26, 192,652.23 and 33,657.26
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Solution
The fourth proportional to 128,427.26, 192,652.23 and 33,657.26 is: 50,488.86
Step by Step Solution
- Step 1: Write the proportion equation
128,427.26 : 192,652.23 = 33,657.26 : x - Step 2: Convert to fraction form
128,427.26/192,652.23 = 33,657.26/x - Step 3: Cross multiply
128,427.26x = 192,652.23 × 33,657.26 - Step 4: Simplify right side
128,427.26x = 6,484,146,194.69 - Step 5: Solve for x
x = 6,484,146,194.69/128,427.26 - Step 6: Final answer
x = 50,488.86
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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.