Finding the Fourth Proportional to 252,747.34, 379,231.27 and 134,279.98
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Solution
The fourth proportional to 252,747.34, 379,231.27 and 134,279.98 is: 201,478.55
Step by Step Solution
- Step 1: Write the proportion equation
252,747.34 : 379,231.27 = 134,279.98 : x - Step 2: Convert to fraction form
252,747.34/379,231.27 = 134,279.98/x - Step 3: Cross multiply
252,747.34x = 379,231.27 × 134,279.98 - Step 4: Simplify right side
252,747.34x = 50,923,166,067.20 - Step 5: Solve for x
x = 50,923,166,067.20/252,747.34 - Step 6: Final answer
x = 201,478.55
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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.