Finding the Fourth Proportional to 757,214.09, 1,135,575.50 and 251,639.22
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Solution
The fourth proportional to 757,214.09, 1,135,575.50 and 251,639.22 is: 377,377.20
Step by Step Solution
- Step 1: Write the proportion equation
757,214.09 : 1,135,575.50 = 251,639.22 : x - Step 2: Convert to fraction form
757,214.09/1,135,575.50 = 251,639.22/x - Step 3: Cross multiply
757,214.09x = 1,135,575.50 × 251,639.22 - Step 4: Simplify right side
757,214.09x = 285,755,331,812.91 - Step 5: Solve for x
x = 285,755,331,812.91/757,214.09 - Step 6: Final answer
x = 377,377.20
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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.