Finding the Fourth Proportional to 810,181.80, 1,215,272.70 and 336,817.80
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Solution
The fourth proportional to 810,181.80, 1,215,272.70 and 336,817.80 is: 505,226.70
Step by Step Solution
- Step 1: Write the proportion equation
810,181.80 : 1,215,272.70 = 336,817.80 : x - Step 2: Convert to fraction form
810,181.80/1,215,272.70 = 336,817.80/x - Step 3: Cross multiply
810,181.80x = 1,215,272.70 × 336,817.80 - Step 4: Simplify right side
810,181.80x = 409,325,477,214.06 - Step 5: Solve for x
x = 409,325,477,214.06/810,181.80 - Step 6: Final answer
x = 505,226.70
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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.