Finding the Fourth Proportional to 361,704.10, 542,815.35 and 203,764.90
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Solution
The fourth proportional to 361,704.10, 542,815.35 and 203,764.90 is: 305,793.37
Step by Step Solution
- Step 1: Write the proportion equation
361,704.10 : 542,815.35 = 203,764.90 : x - Step 2: Convert to fraction form
361,704.10/542,815.35 = 203,764.90/x - Step 3: Cross multiply
361,704.10x = 542,815.35 × 203,764.90 - Step 4: Simplify right side
361,704.10x = 110,606,715,511.22 - Step 5: Solve for x
x = 110,606,715,511.22/361,704.10 - Step 6: Final answer
x = 305,793.37
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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.