Finding the Fourth Proportional to 996,163.15, 1,493,725.60 and 356,220.19
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Solution
The fourth proportional to 996,163.15, 1,493,725.60 and 356,220.19 is: 534,144.65
Step by Step Solution
- Step 1: Write the proportion equation
996,163.15 : 1,493,725.60 = 356,220.19 : x - Step 2: Convert to fraction form
996,163.15/1,493,725.60 = 356,220.19/x - Step 3: Cross multiply
996,163.15x = 1,493,725.60 × 356,220.19 - Step 4: Simplify right side
996,163.15x = 532,095,217,039.86 - Step 5: Solve for x
x = 532,095,217,039.86/996,163.15 - Step 6: Final answer
x = 534,144.65
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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.