Finding the Fourth Proportional to 353,197.20, 529,614.36 and 103,846.80
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Solution
The fourth proportional to 353,197.20, 529,614.36 and 103,846.80 is: 155,716.85
Step by Step Solution
- Step 1: Write the proportion equation
353,197.20 : 529,614.36 = 103,846.80 : x - Step 2: Convert to fraction form
353,197.20/529,614.36 = 103,846.80/x - Step 3: Cross multiply
353,197.20x = 529,614.36 × 103,846.80 - Step 4: Simplify right side
353,197.20x = 54,998,756,520.05 - Step 5: Solve for x
x = 54,998,756,520.05/353,197.20 - Step 6: Final answer
x = 155,716.85
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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.