Finding the Fourth Proportional to 397,704.12, 596,649.60 and 131,464.62
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Solution
The fourth proportional to 397,704.12, 596,649.60 and 131,464.62 is: 197,227.81
Step by Step Solution
- Step 1: Write the proportion equation
397,704.12 : 596,649.60 = 131,464.62 : x - Step 2: Convert to fraction form
397,704.12/596,649.60 = 131,464.62/x - Step 3: Cross multiply
397,704.12x = 596,649.60 × 131,464.62 - Step 4: Simplify right side
397,704.12x = 78,438,312,937.15 - Step 5: Solve for x
x = 78,438,312,937.15/397,704.12 - Step 6: Final answer
x = 197,227.81
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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.