Finding the Fourth Proportional to 222,181.41, 306,609.49 and 120,206.53
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Solution
The fourth proportional to 222,181.41, 306,609.49 and 120,206.53 is: 165,884.55
Step by Step Solution
- Step 1: Write the proportion equation
222,181.41 : 306,609.49 = 120,206.53 : x - Step 2: Convert to fraction form
222,181.41/306,609.49 = 120,206.53/x - Step 3: Cross multiply
222,181.41x = 306,609.49 × 120,206.53 - Step 4: Simplify right side
222,181.41x = 36,856,462,857.97 - Step 5: Solve for x
x = 36,856,462,857.97/222,181.41 - Step 6: Final answer
x = 165,884.55
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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.