Finding the Fourth Proportional to 183,327.21, 252,518.33 and 129,518.81
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Solution
The fourth proportional to 183,327.21, 252,518.33 and 129,518.81 is: 178,401.62
Step by Step Solution
- Step 1: Write the proportion equation
183,327.21 : 252,518.33 = 129,518.81 : x - Step 2: Convert to fraction form
183,327.21/252,518.33 = 129,518.81/x - Step 3: Cross multiply
183,327.21x = 252,518.33 × 129,518.81 - Step 4: Simplify right side
183,327.21x = 32,705,871,694.60 - Step 5: Solve for x
x = 32,705,871,694.60/183,327.21 - Step 6: Final answer
x = 178,401.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.