Finding the Fourth Proportional to 491,412.44, 737,083.10 and 154,549.45
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Solution
The fourth proportional to 491,412.44, 737,083.10 and 154,549.45 is: 231,812.99
Step by Step Solution
- Step 1: Write the proportion equation
491,412.44 : 737,083.10 = 154,549.45 : x - Step 2: Convert to fraction form
491,412.44/737,083.10 = 154,549.45/x - Step 3: Cross multiply
491,412.44x = 737,083.10 × 154,549.45 - Step 4: Simplify right side
491,412.44x = 113,915,787,709.30 - Step 5: Solve for x
x = 113,915,787,709.30/491,412.44 - Step 6: Final answer
x = 231,812.99
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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.