Finding the Fourth Proportional to 431,910.57, 595,715.26 and 317,153.19
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Solution
The fourth proportional to 431,910.57, 595,715.26 and 317,153.19 is: 437,435.45
Step by Step Solution
- Step 1: Write the proportion equation
431,910.57 : 595,715.26 = 317,153.19 : x - Step 2: Convert to fraction form
431,910.57/595,715.26 = 317,153.19/x - Step 3: Cross multiply
431,910.57x = 595,715.26 × 317,153.19 - Step 4: Simplify right side
431,910.57x = 188,932,995,040.68 - Step 5: Solve for x
x = 188,932,995,040.68/431,910.57 - Step 6: Final answer
x = 437,435.45
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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.