Finding the Fourth Proportional to 166,115.80, 229,261.71 and 94,481.99
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Solution
The fourth proportional to 166,115.80, 229,261.71 and 94,481.99 is: 130,397.61
Step by Step Solution
- Step 1: Write the proportion equation
166,115.80 : 229,261.71 = 94,481.99 : x - Step 2: Convert to fraction form
166,115.80/229,261.71 = 94,481.99/x - Step 3: Cross multiply
166,115.80x = 229,261.71 × 94,481.99 - Step 4: Simplify right side
166,115.80x = 21,661,102,591.60 - Step 5: Solve for x
x = 21,661,102,591.60/166,115.80 - Step 6: Final answer
x = 130,397.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.