Finding the Fourth Proportional to 522,792.42, 784,226.12 and 218,880.75
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Solution
The fourth proportional to 522,792.42, 784,226.12 and 218,880.75 is: 328,336.82
Step by Step Solution
- Step 1: Write the proportion equation
522,792.42 : 784,226.12 = 218,880.75 : x - Step 2: Convert to fraction form
522,792.42/784,226.12 = 218,880.75/x - Step 3: Cross multiply
522,792.42x = 784,226.12 × 218,880.75 - Step 4: Simplify right side
522,792.42x = 171,652,003,777.24 - Step 5: Solve for x
x = 171,652,003,777.24/522,792.42 - Step 6: Final answer
x = 328,336.82
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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.