Finding the Fourth Proportional to 312,214.96, 468,269.70 and 87,523.84
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Solution
The fourth proportional to 312,214.96, 468,269.70 and 87,523.84 is: 131,270.98
Step by Step Solution
- Step 1: Write the proportion equation
312,214.96 : 468,269.70 = 87,523.84 : x - Step 2: Convert to fraction form
312,214.96/468,269.70 = 87,523.84/x - Step 3: Cross multiply
312,214.96x = 468,269.70 × 87,523.84 - Step 4: Simplify right side
312,214.96x = 40,984,762,299.65 - Step 5: Solve for x
x = 40,984,762,299.65/312,214.96 - Step 6: Final answer
x = 131,270.98
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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.