Finding the Fourth Proportional to 252,250,231.80, 378,375,347.70 and 252,250,231.80
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Solution
The fourth proportional to 252,250,231.80, 378,375,347.70 and 252,250,231.80 is: 378,375,347.70
Step by Step Solution
- Step 1: Write the proportion equation
252,250,231.80 : 378,375,347.70 = 252,250,231.80 : x - Step 2: Convert to fraction form
252,250,231.80/378,375,347.70 = 252,250,231.80/x - Step 3: Cross multiply
252,250,231.80x = 378,375,347.70 × 252,250,231.80 - Step 4: Simplify right side
252,250,231.80x = 95,445,269,164,730,592 - Step 5: Solve for x
x = 95,445,269,164,730,592/252,250,231.80 - Step 6: Final answer
x = 378,375,347.70
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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.