Finding the Fourth Proportional to 215,812.40, 323,459.40 and 110,577.20
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Solution
The fourth proportional to 215,812.40, 323,459.40 and 110,577.20 is: 165,732.99
Step by Step Solution
- Step 1: Write the proportion equation
215,812.40 : 323,459.40 = 110,577.20 : x - Step 2: Convert to fraction form
215,812.40/323,459.40 = 110,577.20/x - Step 3: Cross multiply
215,812.40x = 323,459.40 × 110,577.20 - Step 4: Simplify right side
215,812.40x = 35,767,234,765.68 - Step 5: Solve for x
x = 35,767,234,765.68/215,812.40 - Step 6: Final answer
x = 165,732.99
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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.