Finding the Fourth Proportional to 448,491.62, 618,915.92 and 247,287.62
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Solution
The fourth proportional to 448,491.62, 618,915.92 and 247,287.62 is: 341,255.53
Step by Step Solution
- Step 1: Write the proportion equation
448,491.62 : 618,915.92 = 247,287.62 : x - Step 2: Convert to fraction form
448,491.62/618,915.92 = 247,287.62/x - Step 3: Cross multiply
448,491.62x = 618,915.92 × 247,287.62 - Step 4: Simplify right side
448,491.62x = 153,050,244,836.91 - Step 5: Solve for x
x = 153,050,244,836.91/448,491.62 - Step 6: Final answer
x = 341,255.53
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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.