Finding the Fourth Proportional to 324,716.96, 486,869.12 and 284,816.06
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Solution
The fourth proportional to 324,716.96, 486,869.12 and 284,816.06 is: 427,043.12
Step by Step Solution
- Step 1: Write the proportion equation
324,716.96 : 486,869.12 = 284,816.06 : x - Step 2: Convert to fraction form
324,716.96/486,869.12 = 284,816.06/x - Step 3: Cross multiply
324,716.96x = 486,869.12 × 284,816.06 - Step 4: Simplify right side
324,716.96x = 138,668,143,529.46 - Step 5: Solve for x
x = 138,668,143,529.46/324,716.96 - Step 6: Final answer
x = 427,043.12
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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.