Finding the Fourth Proportional to 128,795.73, 193,211.18 and 44,533.26
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Solution
The fourth proportional to 128,795.73, 193,211.18 and 44,533.26 is: 66,805.97
Step by Step Solution
- Step 1: Write the proportion equation
128,795.73 : 193,211.18 = 44,533.26 : x - Step 2: Convert to fraction form
128,795.73/193,211.18 = 44,533.26/x - Step 3: Cross multiply
128,795.73x = 193,211.18 × 44,533.26 - Step 4: Simplify right side
128,795.73x = 8,604,323,974.21 - Step 5: Solve for x
x = 8,604,323,974.21/128,795.73 - Step 6: Final answer
x = 66,805.97
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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.