Finding the Fourth Proportional to 136,475.31, 204,408.29 and 104,650.99
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Solution
The fourth proportional to 136,475.31, 204,408.29 and 104,650.99 is: 156,742.85
Step by Step Solution
- Step 1: Write the proportion equation
136,475.31 : 204,408.29 = 104,650.99 : x - Step 2: Convert to fraction form
136,475.31/204,408.29 = 104,650.99/x - Step 3: Cross multiply
136,475.31x = 204,408.29 × 104,650.99 - Step 4: Simplify right side
136,475.31x = 21,391,529,663.31 - Step 5: Solve for x
x = 21,391,529,663.31/136,475.31 - Step 6: Final answer
x = 156,742.85
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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.