Finding the Fourth Proportional to 201,615.92, 277,629.40 and 197,140.62
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Solution
The fourth proportional to 201,615.92, 277,629.40 and 197,140.62 is: 271,466.82
Step by Step Solution
- Step 1: Write the proportion equation
201,615.92 : 277,629.40 = 197,140.62 : x - Step 2: Convert to fraction form
201,615.92/277,629.40 = 197,140.62/x - Step 3: Cross multiply
201,615.92x = 277,629.40 × 197,140.62 - Step 4: Simplify right side
201,615.92x = 54,732,032,046.23 - Step 5: Solve for x
x = 54,732,032,046.23/201,615.92 - Step 6: Final answer
x = 271,466.82
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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.