Finding the Fourth Proportional to 252,979.12, 379,204.20 and 119,700.62
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Solution
The fourth proportional to 252,979.12, 379,204.20 and 119,700.62 is: 179,425.79
Step by Step Solution
- Step 1: Write the proportion equation
252,979.12 : 379,204.20 = 119,700.62 : x - Step 2: Convert to fraction form
252,979.12/379,204.20 = 119,700.62/x - Step 3: Cross multiply
252,979.12x = 379,204.20 × 119,700.62 - Step 4: Simplify right side
252,979.12x = 45,390,977,846.60 - Step 5: Solve for x
x = 45,390,977,846.60/252,979.12 - Step 6: Final answer
x = 179,425.79
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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.