Finding the Fourth Proportional to 234,629.02, 351,939.87 and 57,135.73
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Solution
The fourth proportional to 234,629.02, 351,939.87 and 57,135.73 is: 85,702.70
Step by Step Solution
- Step 1: Write the proportion equation
234,629.02 : 351,939.87 = 57,135.73 : x - Step 2: Convert to fraction form
234,629.02/351,939.87 = 57,135.73/x - Step 3: Cross multiply
234,629.02x = 351,939.87 × 57,135.73 - Step 4: Simplify right side
234,629.02x = 20,108,341,388.56 - Step 5: Solve for x
x = 20,108,341,388.56/234,629.02 - Step 6: Final answer
x = 85,702.70
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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.