Finding the Fourth Proportional to 327,027.20, 489,374.40 and 226,716.80
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Solution
The fourth proportional to 327,027.20, 489,374.40 and 226,716.80 is: 339,266.57
Step by Step Solution
- Step 1: Write the proportion equation
327,027.20 : 489,374.40 = 226,716.80 : x - Step 2: Convert to fraction form
327,027.20/489,374.40 = 226,716.80/x - Step 3: Cross multiply
327,027.20x = 489,374.40 × 226,716.80 - Step 4: Simplify right side
327,027.20x = 110,949,397,969.92 - Step 5: Solve for x
x = 110,949,397,969.92/327,027.20 - Step 6: Final answer
x = 339,266.57
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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.