Finding the Fourth Proportional to 422,296.26, 582,768.99 and 231,312.84
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Solution
The fourth proportional to 422,296.26, 582,768.99 and 231,312.84 is: 319,211.80
Step by Step Solution
- Step 1: Write the proportion equation
422,296.26 : 582,768.99 = 231,312.84 : x - Step 2: Convert to fraction form
422,296.26/582,768.99 = 231,312.84/x - Step 3: Cross multiply
422,296.26x = 582,768.99 × 231,312.84 - Step 4: Simplify right side
422,296.26x = 134,801,950,140.83 - Step 5: Solve for x
x = 134,801,950,140.83/422,296.26 - Step 6: Final answer
x = 319,211.80
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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.