Finding the Fourth Proportional to 312,310.08, 467,920.80 and 187,375.68
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Solution
The fourth proportional to 312,310.08, 467,920.80 and 187,375.68 is: 280,736.95
Step by Step Solution
- Step 1: Write the proportion equation
312,310.08 : 467,920.80 = 187,375.68 : x - Step 2: Convert to fraction form
312,310.08/467,920.80 = 187,375.68/x - Step 3: Cross multiply
312,310.08x = 467,920.80 × 187,375.68 - Step 4: Simplify right side
312,310.08x = 87,676,978,086.14 - Step 5: Solve for x
x = 87,676,978,086.14/312,310.08 - Step 6: Final answer
x = 280,736.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.