Finding the Fourth Proportional to 284,915.78, 427,252.17 and 85,232.96
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Solution
The fourth proportional to 284,915.78, 427,252.17 and 85,232.96 is: 127,813.09
Step by Step Solution
- Step 1: Write the proportion equation
284,915.78 : 427,252.17 = 85,232.96 : x - Step 2: Convert to fraction form
284,915.78/427,252.17 = 85,232.96/x - Step 3: Cross multiply
284,915.78x = 427,252.17 × 85,232.96 - Step 4: Simplify right side
284,915.78x = 36,415,967,115.52 - Step 5: Solve for x
x = 36,415,967,115.52/284,915.78 - Step 6: Final answer
x = 127,813.09
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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.