Finding the Fourth Proportional to 246,147.18, 339,457.60 and 161,311.02
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Solution
The fourth proportional to 246,147.18, 339,457.60 and 161,311.02 is: 222,461.42
Step by Step Solution
- Step 1: Write the proportion equation
246,147.18 : 339,457.60 = 161,311.02 : x - Step 2: Convert to fraction form
246,147.18/339,457.60 = 161,311.02/x - Step 3: Cross multiply
246,147.18x = 339,457.60 × 161,311.02 - Step 4: Simplify right side
246,147.18x = 54,758,251,702.75 - Step 5: Solve for x
x = 54,758,251,702.75/246,147.18 - Step 6: Final answer
x = 222,461.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.