Finding the Fourth Proportional to 547,475.20, 821,212.80 and 252,563.20
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Solution
The fourth proportional to 547,475.20, 821,212.80 and 252,563.20 is: 378,844.80
Step by Step Solution
- Step 1: Write the proportion equation
547,475.20 : 821,212.80 = 252,563.20 : x - Step 2: Convert to fraction form
547,475.20/821,212.80 = 252,563.20/x - Step 3: Cross multiply
547,475.20x = 821,212.80 × 252,563.20 - Step 4: Simplify right side
547,475.20x = 207,408,132,648.96 - Step 5: Solve for x
x = 207,408,132,648.96/547,475.20 - Step 6: Final answer
x = 378,844.80
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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.