Finding the Fourth Proportional to 206,444.60, 309,591.30 and 162,157.58
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Solution
The fourth proportional to 206,444.60, 309,591.30 and 162,157.58 is: 243,176.99
Step by Step Solution
- Step 1: Write the proportion equation
206,444.60 : 309,591.30 = 162,157.58 : x - Step 2: Convert to fraction form
206,444.60/309,591.30 = 162,157.58/x - Step 3: Cross multiply
206,444.60x = 309,591.30 × 162,157.58 - Step 4: Simplify right side
206,444.60x = 50,202,575,997.05 - Step 5: Solve for x
x = 50,202,575,997.05/206,444.60 - Step 6: Final answer
x = 243,176.99
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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.