Finding the Fourth Proportional to 365,845.20, 548,767.80 and 155,455.80
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Solution
The fourth proportional to 365,845.20, 548,767.80 and 155,455.80 is: 233,183.70
Step by Step Solution
- Step 1: Write the proportion equation
365,845.20 : 548,767.80 = 155,455.80 : x - Step 2: Convert to fraction form
365,845.20/548,767.80 = 155,455.80/x - Step 3: Cross multiply
365,845.20x = 548,767.80 × 155,455.80 - Step 4: Simplify right side
365,845.20x = 85,309,137,363.24 - Step 5: Solve for x
x = 85,309,137,363.24/365,845.20 - Step 6: Final answer
x = 233,183.70
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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.