Finding the Fourth Proportional to 199,605.58, 275,445.99 and 113,556.44
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Solution
The fourth proportional to 199,605.58, 275,445.99 and 113,556.44 is: 156,702.37
Step by Step Solution
- Step 1: Write the proportion equation
199,605.58 : 275,445.99 = 113,556.44 : x - Step 2: Convert to fraction form
199,605.58/275,445.99 = 113,556.44/x - Step 3: Cross multiply
199,605.58x = 275,445.99 × 113,556.44 - Step 4: Simplify right side
199,605.58x = 31,278,666,725.29 - Step 5: Solve for x
x = 31,278,666,725.29/199,605.58 - Step 6: Final answer
x = 156,702.37
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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.