Finding the Fourth Proportional to 206,471.84, 309,846.08 and 88,170.88
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Solution
The fourth proportional to 206,471.84, 309,846.08 and 88,170.88 is: 132,315.39
Step by Step Solution
- Step 1: Write the proportion equation
206,471.84 : 309,846.08 = 88,170.88 : x - Step 2: Convert to fraction form
206,471.84/309,846.08 = 88,170.88/x - Step 3: Cross multiply
206,471.84x = 309,846.08 × 88,170.88 - Step 4: Simplify right side
206,471.84x = 27,319,401,538.15 - Step 5: Solve for x
x = 27,319,401,538.15/206,471.84 - Step 6: Final answer
x = 132,315.39
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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.