Finding the Fourth Proportional to 312,213.62, 468,235.35 and 87,560.12
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Solution
The fourth proportional to 312,213.62, 468,235.35 and 87,560.12 is: 131,316.31
Step by Step Solution
- Step 1: Write the proportion equation
312,213.62 : 468,235.35 = 87,560.12 : x - Step 2: Convert to fraction form
312,213.62/468,235.35 = 87,560.12/x - Step 3: Cross multiply
312,213.62x = 468,235.35 × 87,560.12 - Step 4: Simplify right side
312,213.62x = 40,998,741,093.07 - Step 5: Solve for x
x = 40,998,741,093.07/312,213.62 - Step 6: Final answer
x = 131,316.31
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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.