Finding the Fourth Proportional to 422,553.13, 633,629.21 and 245,114.53
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Solution
The fourth proportional to 422,553.13, 633,629.21 and 245,114.53 is: 367,555.49
Step by Step Solution
- Step 1: Write the proportion equation
422,553.13 : 633,629.21 = 245,114.53 : x - Step 2: Convert to fraction form
422,553.13/633,629.21 = 245,114.53/x - Step 3: Cross multiply
422,553.13x = 633,629.21 × 245,114.53 - Step 4: Simplify right side
422,553.13x = 155,311,723,193.78 - Step 5: Solve for x
x = 155,311,723,193.78/422,553.13 - Step 6: Final answer
x = 367,555.49
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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.