Finding the Fourth Proportional to 383,704.29, 575,571.62 and 143,793.12
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Solution
The fourth proportional to 383,704.29, 575,571.62 and 143,793.12 is: 215,695.38
Step by Step Solution
- Step 1: Write the proportion equation
383,704.29 : 575,571.62 = 143,793.12 : x - Step 2: Convert to fraction form
383,704.29/575,571.62 = 143,793.12/x - Step 3: Cross multiply
383,704.29x = 575,571.62 × 143,793.12 - Step 4: Simplify right side
383,704.29x = 82,763,241,541.13 - Step 5: Solve for x
x = 82,763,241,541.13/383,704.29 - Step 6: Final answer
x = 215,695.38
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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.