Finding the Fourth Proportional to 416,449.25, 574,711.74 and 235,188.44
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Solution
The fourth proportional to 416,449.25, 574,711.74 and 235,188.44 is: 324,566.69
Step by Step Solution
- Step 1: Write the proportion equation
416,449.25 : 574,711.74 = 235,188.44 : x - Step 2: Convert to fraction form
416,449.25/574,711.74 = 235,188.44/x - Step 3: Cross multiply
416,449.25x = 574,711.74 × 235,188.44 - Step 4: Simplify right side
416,449.25x = 135,165,554,706.73 - Step 5: Solve for x
x = 135,165,554,706.73/416,449.25 - Step 6: Final answer
x = 324,566.69
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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.