Finding the Fourth Proportional to 442,915.44, 664,606.44 and 193,772.40
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Solution
The fourth proportional to 442,915.44, 664,606.44 and 193,772.40 is: 290,760.66
Step by Step Solution
- Step 1: Write the proportion equation
442,915.44 : 664,606.44 = 193,772.40 : x - Step 2: Convert to fraction form
442,915.44/664,606.44 = 193,772.40/x - Step 3: Cross multiply
442,915.44x = 664,606.44 × 193,772.40 - Step 4: Simplify right side
442,915.44x = 128,782,384,934.26 - Step 5: Solve for x
x = 128,782,384,934.26/442,915.44 - Step 6: Final answer
x = 290,760.66
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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.