Finding the Fourth Proportional to 201,861.90, 302,464.80 and 126,847.80
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Solution
The fourth proportional to 201,861.90, 302,464.80 and 126,847.80 is: 190,065.56
Step by Step Solution
- Step 1: Write the proportion equation
201,861.90 : 302,464.80 = 126,847.80 : x - Step 2: Convert to fraction form
201,861.90/302,464.80 = 126,847.80/x - Step 3: Cross multiply
201,861.90x = 302,464.80 × 126,847.80 - Step 4: Simplify right side
201,861.90x = 38,366,994,457.44 - Step 5: Solve for x
x = 38,366,994,457.44/201,861.90 - Step 6: Final answer
x = 190,065.56
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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.