Finding the Fourth Proportional to 738,411.55, 1,107,617.19 and 177,446.05
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Solution
The fourth proportional to 738,411.55, 1,107,617.19 and 177,446.05 is: 266,169.04
Step by Step Solution
- Step 1: Write the proportion equation
738,411.55 : 1,107,617.19 = 177,446.05 : x - Step 2: Convert to fraction form
738,411.55/1,107,617.19 = 177,446.05/x - Step 3: Cross multiply
738,411.55x = 1,107,617.19 × 177,446.05 - Step 4: Simplify right side
738,411.55x = 196,542,295,277.60 - Step 5: Solve for x
x = 196,542,295,277.60/738,411.55 - Step 6: Final answer
x = 266,169.04
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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.