Finding the Fourth Proportional to 422,353.62, 582,702.30 and 240,934.68
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Solution
The fourth proportional to 422,353.62, 582,702.30 and 240,934.68 is: 332,406.75
Step by Step Solution
- Step 1: Write the proportion equation
422,353.62 : 582,702.30 = 240,934.68 : x - Step 2: Convert to fraction form
422,353.62/582,702.30 = 240,934.68/x - Step 3: Cross multiply
422,353.62x = 582,702.30 × 240,934.68 - Step 4: Simplify right side
422,353.62x = 140,393,192,185.76 - Step 5: Solve for x
x = 140,393,192,185.76/422,353.62 - Step 6: Final answer
x = 332,406.75
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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.