Finding the Fourth Proportional to 738,439.26, 1,107,658.62 and 177,473.76
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Solution
The fourth proportional to 738,439.26, 1,107,658.62 and 177,473.76 is: 266,210.58
Step by Step Solution
- Step 1: Write the proportion equation
738,439.26 : 1,107,658.62 = 177,473.76 : x - Step 2: Convert to fraction form
738,439.26/1,107,658.62 = 177,473.76/x - Step 3: Cross multiply
738,439.26x = 1,107,658.62 × 177,473.76 - Step 4: Simplify right side
738,439.26x = 196,580,340,087.81 - Step 5: Solve for x
x = 196,580,340,087.81/738,439.26 - Step 6: Final answer
x = 266,210.58
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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.