Finding the Fourth Proportional to 324,340.45, 486,557.11 and 99,719.75
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Solution
The fourth proportional to 324,340.45, 486,557.11 and 99,719.75 is: 149,593.90
Step by Step Solution
- Step 1: Write the proportion equation
324,340.45 : 486,557.11 = 99,719.75 : x - Step 2: Convert to fraction form
324,340.45/486,557.11 = 99,719.75/x - Step 3: Cross multiply
324,340.45x = 486,557.11 × 99,719.75 - Step 4: Simplify right side
324,340.45x = 48,519,353,369.92 - Step 5: Solve for x
x = 48,519,353,369.92/324,340.45 - Step 6: Final answer
x = 149,593.90
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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.