Finding the Fourth Proportional to 738,394.56, 1,107,591.84 and 177,429.06
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Solution
The fourth proportional to 738,394.56, 1,107,591.84 and 177,429.06 is: 266,143.59
Step by Step Solution
- Step 1: Write the proportion equation
738,394.56 : 1,107,591.84 = 177,429.06 : x - Step 2: Convert to fraction form
738,394.56/1,107,591.84 = 177,429.06/x - Step 3: Cross multiply
738,394.56x = 1,107,591.84 × 177,429.06 - Step 4: Simplify right side
738,394.56x = 196,518,982,247.42 - Step 5: Solve for x
x = 196,518,982,247.42/738,394.56 - Step 6: Final answer
x = 266,143.59
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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.