Finding the Fourth Proportional to 306,743.75, 460,115.67 and 140,531.75
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Solution
The fourth proportional to 306,743.75, 460,115.67 and 140,531.75 is: 210,797.65
Step by Step Solution
- Step 1: Write the proportion equation
306,743.75 : 460,115.67 = 140,531.75 : x - Step 2: Convert to fraction form
306,743.75/460,115.67 = 140,531.75/x - Step 3: Cross multiply
306,743.75x = 460,115.67 × 140,531.75 - Step 4: Simplify right side
306,743.75x = 64,660,860,307.52 - Step 5: Solve for x
x = 64,660,860,307.52/306,743.75 - Step 6: Final answer
x = 210,797.65
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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.