Finding the Fourth Proportional to 90,250.26, 135,499.61 and 45,906.99
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Solution
The fourth proportional to 90,250.26, 135,499.61 and 45,906.99 is: 68,923.67
Step by Step Solution
- Step 1: Write the proportion equation
90,250.26 : 135,499.61 = 45,906.99 : x - Step 2: Convert to fraction form
90,250.26/135,499.61 = 45,906.99/x - Step 3: Cross multiply
90,250.26x = 135,499.61 × 45,906.99 - Step 4: Simplify right side
90,250.26x = 6,220,379,241.27 - Step 5: Solve for x
x = 6,220,379,241.27/90,250.26 - Step 6: Final answer
x = 68,923.67
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1.5x scale
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.