Finding the Fourth Proportional to 199,414.98, 275,186.16 and 113,368.68
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Solution
The fourth proportional to 199,414.98, 275,186.16 and 113,368.68 is: 156,445.08
Step by Step Solution
- Step 1: Write the proportion equation
199,414.98 : 275,186.16 = 113,368.68 : x - Step 2: Convert to fraction form
199,414.98/275,186.16 = 113,368.68/x - Step 3: Cross multiply
199,414.98x = 275,186.16 × 113,368.68 - Step 4: Simplify right side
199,414.98x = 31,197,491,713.47 - Step 5: Solve for x
x = 31,197,491,713.47/199,414.98 - Step 6: Final answer
x = 156,445.08
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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.