Finding the Fourth Proportional to 155,082.13, 232,629.12 and 48,475.90
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Solution
The fourth proportional to 155,082.13, 232,629.12 and 48,475.90 is: 72,715.70
Step by Step Solution
- Step 1: Write the proportion equation
155,082.13 : 232,629.12 = 48,475.90 : x - Step 2: Convert to fraction form
155,082.13/232,629.12 = 48,475.90/x - Step 3: Cross multiply
155,082.13x = 232,629.12 × 48,475.90 - Step 4: Simplify right side
155,082.13x = 11,276,905,958.21 - Step 5: Solve for x
x = 11,276,905,958.21/155,082.13 - Step 6: Final answer
x = 72,715.70
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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.