Finding the Fourth Proportional to 347,625.75, 479,723.60 and 188,649.75
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Solution
The fourth proportional to 347,625.75, 479,723.60 and 188,649.75 is: 260,336.69
Step by Step Solution
- Step 1: Write the proportion equation
347,625.75 : 479,723.60 = 188,649.75 : x - Step 2: Convert to fraction form
347,625.75/479,723.60 = 188,649.75/x - Step 3: Cross multiply
347,625.75x = 479,723.60 × 188,649.75 - Step 4: Simplify right side
347,625.75x = 90,499,736,265.85 - Step 5: Solve for x
x = 90,499,736,265.85/347,625.75 - Step 6: Final answer
x = 260,336.69
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1.5x scale
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.