Finding the Fourth Proportional to 324,503.99, 486,756.35 and 84,617.69
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Solution
The fourth proportional to 324,503.99, 486,756.35 and 84,617.69 is: 126,926.62
Step by Step Solution
- Step 1: Write the proportion equation
324,503.99 : 486,756.35 = 84,617.69 : x - Step 2: Convert to fraction form
324,503.99/486,756.35 = 84,617.69/x - Step 3: Cross multiply
324,503.99x = 486,756.35 × 84,617.69 - Step 4: Simplify right side
324,503.99x = 41,188,195,072.96 - Step 5: Solve for x
x = 41,188,195,072.96/324,503.99 - Step 6: Final answer
x = 126,926.62
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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.