Finding the Fourth Proportional to 522,900.05, 784,259.60 and 138,651.44
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Solution
The fourth proportional to 522,900.05, 784,259.60 and 138,651.44 is: 207,953.17
Step by Step Solution
- Step 1: Write the proportion equation
522,900.05 : 784,259.60 = 138,651.44 : x - Step 2: Convert to fraction form
522,900.05/784,259.60 = 138,651.44/x - Step 3: Cross multiply
522,900.05x = 784,259.60 × 138,651.44 - Step 4: Simplify right side
522,900.05x = 108,738,722,873.82 - Step 5: Solve for x
x = 108,738,722,873.82/522,900.05 - Step 6: Final answer
x = 207,953.17
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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.