Finding the Fourth Proportional to 216,074.63, 324,129.26 and 58,300.81
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Solution
The fourth proportional to 216,074.63, 324,129.26 and 58,300.81 is: 87,455.88
Step by Step Solution
- Step 1: Write the proportion equation
216,074.63 : 324,129.26 = 58,300.81 : x - Step 2: Convert to fraction form
216,074.63/324,129.26 = 58,300.81/x - Step 3: Cross multiply
216,074.63x = 324,129.26 × 58,300.81 - Step 4: Simplify right side
216,074.63x = 18,896,997,738.13 - Step 5: Solve for x
x = 18,896,997,738.13/216,074.63 - Step 6: Final answer
x = 87,455.88
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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.