Finding the Fourth Proportional to 149,567.75, 206,403.50 and 82,499.75
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Solution
The fourth proportional to 149,567.75, 206,403.50 and 82,499.75 is: 113,849.66
Step by Step Solution
- Step 1: Write the proportion equation
149,567.75 : 206,403.50 = 82,499.75 : x - Step 2: Convert to fraction form
149,567.75/206,403.50 = 82,499.75/x - Step 3: Cross multiply
149,567.75x = 206,403.50 × 82,499.75 - Step 4: Simplify right side
149,567.75x = 17,028,237,149.13 - Step 5: Solve for x
x = 17,028,237,149.13/149,567.75 - Step 6: Final answer
x = 113,849.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.