Finding the Fourth Proportional to 319,490.26, 440,948.73 and 192,236.02
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Solution
The fourth proportional to 319,490.26, 440,948.73 and 192,236.02 is: 265,317.10
Step by Step Solution
- Step 1: Write the proportion equation
319,490.26 : 440,948.73 = 192,236.02 : x - Step 2: Convert to fraction form
319,490.26/440,948.73 = 192,236.02/x - Step 3: Cross multiply
319,490.26x = 440,948.73 × 192,236.02 - Step 4: Simplify right side
319,490.26x = 84,766,228,879.25 - Step 5: Solve for x
x = 84,766,228,879.25/319,490.26 - Step 6: Final answer
x = 265,317.10
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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.