Finding the Fourth Proportional to 343,163.20, 514,744.80 and 93,845.20
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Solution
The fourth proportional to 343,163.20, 514,744.80 and 93,845.20 is: 140,767.80
Step by Step Solution
- Step 1: Write the proportion equation
343,163.20 : 514,744.80 = 93,845.20 : x - Step 2: Convert to fraction form
343,163.20/514,744.80 = 93,845.20/x - Step 3: Cross multiply
343,163.20x = 514,744.80 × 93,845.20 - Step 4: Simplify right side
343,163.20x = 48,306,328,704.96 - Step 5: Solve for x
x = 48,306,328,704.96/343,163.20 - Step 6: Final answer
x = 140,767.80
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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.