Finding the Fourth Proportional to 492,523.11, 739,116.81 and 192,966.12
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Solution
The fourth proportional to 492,523.11, 739,116.81 and 192,966.12 is: 289,579.31
Step by Step Solution
- Step 1: Write the proportion equation
492,523.11 : 739,116.81 = 192,966.12 : x - Step 2: Convert to fraction form
492,523.11/739,116.81 = 192,966.12/x - Step 3: Cross multiply
492,523.11x = 739,116.81 × 192,966.12 - Step 4: Simplify right side
492,523.11x = 142,624,503,052.48 - Step 5: Solve for x
x = 142,624,503,052.48/492,523.11 - Step 6: Final answer
x = 289,579.31
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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.