Finding the Fourth Proportional to 239,436.75, 330,437.61 and 132,006.62
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Solution
The fourth proportional to 239,436.75, 330,437.61 and 132,006.62 is: 182,177.35
Step by Step Solution
- Step 1: Write the proportion equation
239,436.75 : 330,437.61 = 132,006.62 : x - Step 2: Convert to fraction form
239,436.75/330,437.61 = 132,006.62/x - Step 3: Cross multiply
239,436.75x = 330,437.61 × 132,006.62 - Step 4: Simplify right side
239,436.75x = 43,619,952,843.07 - Step 5: Solve for x
x = 43,619,952,843.07/239,436.75 - Step 6: Final answer
x = 182,177.35
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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.