Finding the Fourth Proportional to 477,611.67, 716,391.59 and 145,161.75
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Solution
The fourth proportional to 477,611.67, 716,391.59 and 145,161.75 is: 217,734.75
Step by Step Solution
- Step 1: Write the proportion equation
477,611.67 : 716,391.59 = 145,161.75 : x - Step 2: Convert to fraction form
477,611.67/716,391.59 = 145,161.75/x - Step 3: Cross multiply
477,611.67x = 716,391.59 × 145,161.75 - Step 4: Simplify right side
477,611.67x = 103,992,656,163.87 - Step 5: Solve for x
x = 103,992,656,163.87/477,611.67 - Step 6: Final answer
x = 217,734.75
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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.