Finding the Fourth Proportional to 329,423.80, 494,135.70 and 194,704.60
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Solution
The fourth proportional to 329,423.80, 494,135.70 and 194,704.60 is: 292,056.90
Step by Step Solution
- Step 1: Write the proportion equation
329,423.80 : 494,135.70 = 194,704.60 : x - Step 2: Convert to fraction form
329,423.80/494,135.70 = 194,704.60/x - Step 3: Cross multiply
329,423.80x = 494,135.70 × 194,704.60 - Step 4: Simplify right side
329,423.80x = 96,210,493,814.22 - Step 5: Solve for x
x = 96,210,493,814.22/329,423.80 - Step 6: Final answer
x = 292,056.90
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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.