Finding the Fourth Proportional to 228,608.26, 342,585.62 and 128,558.44
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Solution
The fourth proportional to 228,608.26, 342,585.62 and 128,558.44 is: 192,653.90
Step by Step Solution
- Step 1: Write the proportion equation
228,608.26 : 342,585.62 = 128,558.44 : x - Step 2: Convert to fraction form
228,608.26/342,585.62 = 128,558.44/x - Step 3: Cross multiply
228,608.26x = 342,585.62 × 128,558.44 - Step 4: Simplify right side
228,608.26x = 44,042,272,873.63 - Step 5: Solve for x
x = 44,042,272,873.63/228,608.26 - Step 6: Final answer
x = 192,653.90
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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.