Finding the Fourth Proportional to 250,481.78, 345,537.80 and 158,445.99
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Solution
The fourth proportional to 250,481.78, 345,537.80 and 158,445.99 is: 218,575.09
Step by Step Solution
- Step 1: Write the proportion equation
250,481.78 : 345,537.80 = 158,445.99 : x - Step 2: Convert to fraction form
250,481.78/345,537.80 = 158,445.99/x - Step 3: Cross multiply
250,481.78x = 345,537.80 × 158,445.99 - Step 4: Simplify right side
250,481.78x = 54,749,077,147.63 - Step 5: Solve for x
x = 54,749,077,147.63/250,481.78 - Step 6: Final answer
x = 218,575.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.