Finding the Fourth Proportional to 170,861.44, 256,316.64 and 52,542.68
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Solution
The fourth proportional to 170,861.44, 256,316.64 and 52,542.68 is: 78,821.55
Step by Step Solution
- Step 1: Write the proportion equation
170,861.44 : 256,316.64 = 52,542.68 : x - Step 2: Convert to fraction form
170,861.44/256,316.64 = 52,542.68/x - Step 3: Cross multiply
170,861.44x = 256,316.64 × 52,542.68 - Step 4: Simplify right side
170,861.44x = 13,467,563,194.20 - Step 5: Solve for x
x = 13,467,563,194.20/170,861.44 - Step 6: Final answer
x = 78,821.55
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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.