Finding the Fourth Proportional to 239,062.75, 329,906.60 and 133,078.75
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Solution
The fourth proportional to 239,062.75, 329,906.60 and 133,078.75 is: 183,648.68
Step by Step Solution
- Step 1: Write the proportion equation
239,062.75 : 329,906.60 = 133,078.75 : x - Step 2: Convert to fraction form
239,062.75/329,906.60 = 133,078.75/x - Step 3: Cross multiply
239,062.75x = 329,906.60 × 133,078.75 - Step 4: Simplify right side
239,062.75x = 43,903,557,944.75 - Step 5: Solve for x
x = 43,903,557,944.75/239,062.75 - Step 6: Final answer
x = 183,648.68
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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.