Finding the Fourth Proportional to 324,112.99, 486,169.46 and 87,455.66
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Solution
The fourth proportional to 324,112.99, 486,169.46 and 87,455.66 is: 131,183.48
Step by Step Solution
- Step 1: Write the proportion equation
324,112.99 : 486,169.46 = 87,455.66 : x - Step 2: Convert to fraction form
324,112.99/486,169.46 = 87,455.66/x - Step 3: Cross multiply
324,112.99x = 486,169.46 × 87,455.66 - Step 4: Simplify right side
324,112.99x = 42,518,270,996.14 - Step 5: Solve for x
x = 42,518,270,996.14/324,112.99 - Step 6: Final answer
x = 131,183.48
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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.