Finding the Fourth Proportional to 253,743.76, 379,563.72 and 193,314.99
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Solution
The fourth proportional to 253,743.76, 379,563.72 and 193,314.99 is: 289,171.08
Step by Step Solution
- Step 1: Write the proportion equation
253,743.76 : 379,563.72 = 193,314.99 : x - Step 2: Convert to fraction form
253,743.76/379,563.72 = 193,314.99/x - Step 3: Cross multiply
253,743.76x = 379,563.72 × 193,314.99 - Step 4: Simplify right side
253,743.76x = 73,375,356,736.16 - Step 5: Solve for x
x = 73,375,356,736.16/253,743.76 - Step 6: Final answer
x = 289,171.08
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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.