Finding the Fourth Proportional to 201,240.62, 277,651.44 and 120,638.74
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Solution
The fourth proportional to 201,240.62, 277,651.44 and 120,638.74 is: 166,445.12
Step by Step Solution
- Step 1: Write the proportion equation
201,240.62 : 277,651.44 = 120,638.74 : x - Step 2: Convert to fraction form
201,240.62/277,651.44 = 120,638.74/x - Step 3: Cross multiply
201,240.62x = 277,651.44 × 120,638.74 - Step 4: Simplify right side
201,240.62x = 33,495,519,186.66 - Step 5: Solve for x
x = 33,495,519,186.66/201,240.62 - Step 6: Final answer
x = 166,445.12
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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.