Finding the Fourth Proportional to 203,779.44, 305,628.62 and 102,550.48
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Solution
The fourth proportional to 203,779.44, 305,628.62 and 102,550.48 is: 153,805.32
Step by Step Solution
- Step 1: Write the proportion equation
203,779.44 : 305,628.62 = 102,550.48 : x - Step 2: Convert to fraction form
203,779.44/305,628.62 = 102,550.48/x - Step 3: Cross multiply
203,779.44x = 305,628.62 × 102,550.48 - Step 4: Simplify right side
203,779.44x = 31,342,361,682.74 - Step 5: Solve for x
x = 31,342,361,682.74/203,779.44 - Step 6: Final answer
x = 153,805.32
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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.