Finding the Fourth Proportional to 212,676.44, 293,506.58 and 117,183.11
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Solution
The fourth proportional to 212,676.44, 293,506.58 and 117,183.11 is: 161,719.90
Step by Step Solution
- Step 1: Write the proportion equation
212,676.44 : 293,506.58 = 117,183.11 : x - Step 2: Convert to fraction form
212,676.44/293,506.58 = 117,183.11/x - Step 3: Cross multiply
212,676.44x = 293,506.58 × 117,183.11 - Step 4: Simplify right side
212,676.44x = 34,394,012,675.29 - Step 5: Solve for x
x = 34,394,012,675.29/212,676.44 - Step 6: Final answer
x = 161,719.90
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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.