Finding the Fourth Proportional to 324,265.36, 486,378.76 and 99,627.96
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Solution
The fourth proportional to 324,265.36, 486,378.76 and 99,627.96 is: 149,436.02
Step by Step Solution
- Step 1: Write the proportion equation
324,265.36 : 486,378.76 = 99,627.96 : x - Step 2: Convert to fraction form
324,265.36/486,378.76 = 99,627.96/x - Step 3: Cross multiply
324,265.36x = 486,378.76 × 99,627.96 - Step 4: Simplify right side
324,265.36x = 48,456,923,646.13 - Step 5: Solve for x
x = 48,456,923,646.13/324,265.36 - Step 6: Final answer
x = 149,436.02
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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.