Finding the Fourth Proportional to 138,268.62, 207,403.58 and 48,310.96
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Solution
The fourth proportional to 138,268.62, 207,403.58 and 48,310.96 is: 72,466.67
Step by Step Solution
- Step 1: Write the proportion equation
138,268.62 : 207,403.58 = 48,310.96 : x - Step 2: Convert to fraction form
138,268.62/207,403.58 = 48,310.96/x - Step 3: Cross multiply
138,268.62x = 207,403.58 × 48,310.96 - Step 4: Simplify right side
138,268.62x = 10,019,866,057.24 - Step 5: Solve for x
x = 10,019,866,057.24/138,268.62 - Step 6: Final answer
x = 72,466.67
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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.