Finding the Fourth Proportional to 284,567.20, 426,850.80 and 266,135.20
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Solution
The fourth proportional to 284,567.20, 426,850.80 and 266,135.20 is: 399,202.80
Step by Step Solution
- Step 1: Write the proportion equation
284,567.20 : 426,850.80 = 266,135.20 : x - Step 2: Convert to fraction form
284,567.20/426,850.80 = 266,135.20/x - Step 3: Cross multiply
284,567.20x = 426,850.80 × 266,135.20 - Step 4: Simplify right side
284,567.20x = 113,600,023,028.16 - Step 5: Solve for x
x = 113,600,023,028.16/284,567.20 - Step 6: Final answer
x = 399,202.80
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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.