Finding the Fourth Proportional to 486,163.44, 727,997.76 and 336,196.80
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Solution
The fourth proportional to 486,163.44, 727,997.76 and 336,196.80 is: 503,432.58
Step by Step Solution
- Step 1: Write the proportion equation
486,163.44 : 727,997.76 = 336,196.80 : x - Step 2: Convert to fraction form
486,163.44/727,997.76 = 336,196.80/x - Step 3: Cross multiply
486,163.44x = 727,997.76 × 336,196.80 - Step 4: Simplify right side
486,163.44x = 244,750,517,319.17 - Step 5: Solve for x
x = 244,750,517,319.17/486,163.44 - Step 6: Final answer
x = 503,432.58
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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.