Finding the Fourth Proportional to 522,682.20, 784,282.50 and 207,132.12
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Solution
The fourth proportional to 522,682.20, 784,282.50 and 207,132.12 is: 310,800.90
Step by Step Solution
- Step 1: Write the proportion equation
522,682.20 : 784,282.50 = 207,132.12 : x - Step 2: Convert to fraction form
522,682.20/784,282.50 = 207,132.12/x - Step 3: Cross multiply
522,682.20x = 784,282.50 × 207,132.12 - Step 4: Simplify right side
522,682.20x = 162,450,096,903.90 - Step 5: Solve for x
x = 162,450,096,903.90/522,682.20 - Step 6: Final answer
x = 310,800.90
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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.