Finding the Fourth Proportional to 201,609.81, 302,266.49 and 68,454.32
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Solution
The fourth proportional to 201,609.81, 302,266.49 and 68,454.32 is: 102,631.14
Step by Step Solution
- Step 1: Write the proportion equation
201,609.81 : 302,266.49 = 68,454.32 : x - Step 2: Convert to fraction form
201,609.81/302,266.49 = 68,454.32/x - Step 3: Cross multiply
201,609.81x = 302,266.49 × 68,454.32 - Step 4: Simplify right side
201,609.81x = 20,691,445,178.13 - Step 5: Solve for x
x = 20,691,445,178.13/201,609.81 - Step 6: Final answer
x = 102,631.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.