Finding the Fourth Proportional to 149,317.19, 206,057.73 and 82,249.19
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Solution
The fourth proportional to 149,317.19, 206,057.73 and 82,249.19 is: 113,503.89
Step by Step Solution
- Step 1: Write the proportion equation
149,317.19 : 206,057.73 = 82,249.19 : x - Step 2: Convert to fraction form
149,317.19/206,057.73 = 82,249.19/x - Step 3: Cross multiply
149,317.19x = 206,057.73 × 82,249.19 - Step 4: Simplify right side
149,317.19x = 16,948,081,385.74 - Step 5: Solve for x
x = 16,948,081,385.74/149,317.19 - Step 6: Final answer
x = 113,503.89
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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.