Finding the Fourth Proportional to 258,951.36, 357,353.46 and 144,229.08
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Solution
The fourth proportional to 258,951.36, 357,353.46 and 144,229.08 is: 199,036.46
Step by Step Solution
- Step 1: Write the proportion equation
258,951.36 : 357,353.46 = 144,229.08 : x - Step 2: Convert to fraction form
258,951.36/357,353.46 = 144,229.08/x - Step 3: Cross multiply
258,951.36x = 357,353.46 × 144,229.08 - Step 4: Simplify right side
258,951.36x = 51,540,760,770.62 - Step 5: Solve for x
x = 51,540,760,770.62/258,951.36 - Step 6: Final answer
x = 199,036.46
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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.