Finding the Fourth Proportional to 738,412.10, 1,107,618.15 and 177,446.60
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Solution
The fourth proportional to 738,412.10, 1,107,618.15 and 177,446.60 is: 266,169.90
Step by Step Solution
- Step 1: Write the proportion equation
738,412.10 : 1,107,618.15 = 177,446.60 : x - Step 2: Convert to fraction form
738,412.10/1,107,618.15 = 177,446.60/x - Step 3: Cross multiply
738,412.10x = 1,107,618.15 × 177,446.60 - Step 4: Simplify right side
738,412.10x = 196,543,074,815.79 - Step 5: Solve for x
x = 196,543,074,815.79/738,412.10 - Step 6: Final answer
x = 266,169.90
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1.5x scale
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.