Finding the Fourth Proportional to 784,823.10, 1,177,234.65 and 193,847.10
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Solution
The fourth proportional to 784,823.10, 1,177,234.65 and 193,847.10 is: 290,770.65
Step by Step Solution
- Step 1: Write the proportion equation
784,823.10 : 1,177,234.65 = 193,847.10 : x - Step 2: Convert to fraction form
784,823.10/1,177,234.65 = 193,847.10/x - Step 3: Cross multiply
784,823.10x = 1,177,234.65 × 193,847.10 - Step 4: Simplify right side
784,823.10x = 228,203,522,922.02 - Step 5: Solve for x
x = 228,203,522,922.02/784,823.10 - Step 6: Final answer
x = 290,770.65
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Similar ratio
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1.5x scale
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.