Finding the Fourth Proportional to 128,591.21, 192,896.08 and 44,350.19
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Solution
The fourth proportional to 128,591.21, 192,896.08 and 44,350.19 is: 66,528.48
Step by Step Solution
- Step 1: Write the proportion equation
128,591.21 : 192,896.08 = 44,350.19 : x - Step 2: Convert to fraction form
128,591.21/192,896.08 = 44,350.19/x - Step 3: Cross multiply
128,591.21x = 192,896.08 × 44,350.19 - Step 4: Simplify right side
128,591.21x = 8,554,977,798.26 - Step 5: Solve for x
x = 8,554,977,798.26/128,591.21 - Step 6: Final answer
x = 66,528.48
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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.