Finding the Fourth Proportional to 284,915.36, 393,260.93 and 177,421.88
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Solution
The fourth proportional to 284,915.36, 393,260.93 and 177,421.88 is: 244,890.60
Step by Step Solution
- Step 1: Write the proportion equation
284,915.36 : 393,260.93 = 177,421.88 : x - Step 2: Convert to fraction form
284,915.36/393,260.93 = 177,421.88/x - Step 3: Cross multiply
284,915.36x = 393,260.93 × 177,421.88 - Step 4: Simplify right side
284,915.36x = 69,773,093,531.15 - Step 5: Solve for x
x = 69,773,093,531.15/284,915.36 - Step 6: Final answer
x = 244,890.60
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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.