Finding the Fourth Proportional to 201,242.62, 277,654.20 and 120,640.74
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Solution
The fourth proportional to 201,242.62, 277,654.20 and 120,640.74 is: 166,447.88
Step by Step Solution
- Step 1: Write the proportion equation
201,242.62 : 277,654.20 = 120,640.74 : x - Step 2: Convert to fraction form
201,242.62/277,654.20 = 120,640.74/x - Step 3: Cross multiply
201,242.62x = 277,654.20 × 120,640.74 - Step 4: Simplify right side
201,242.62x = 33,496,408,152.11 - Step 5: Solve for x
x = 33,496,408,152.11/201,242.62 - Step 6: Final answer
x = 166,447.88
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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.