Finding the Fourth Proportional to 522,861.09, 784,275.17 and 148,884.09
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Solution
The fourth proportional to 522,861.09, 784,275.17 and 148,884.09 is: 223,321.45
Step by Step Solution
- Step 1: Write the proportion equation
522,861.09 : 784,275.17 = 148,884.09 : x - Step 2: Convert to fraction form
522,861.09/784,275.17 = 148,884.09/x - Step 3: Cross multiply
522,861.09x = 784,275.17 × 148,884.09 - Step 4: Simplify right side
522,861.09x = 116,766,094,250.63 - Step 5: Solve for x
x = 116,766,094,250.63/522,861.09 - Step 6: Final answer
x = 223,321.45
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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.