Finding the Fourth Proportional to 460,604.68, 690,382.91 and 280,292.42
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Solution
The fourth proportional to 460,604.68, 690,382.91 and 280,292.42 is: 420,119.70
Step by Step Solution
- Step 1: Write the proportion equation
460,604.68 : 690,382.91 = 280,292.42 : x - Step 2: Convert to fraction form
460,604.68/690,382.91 = 280,292.42/x - Step 3: Cross multiply
460,604.68x = 690,382.91 × 280,292.42 - Step 4: Simplify right side
460,604.68x = 193,509,098,997.23 - Step 5: Solve for x
x = 193,509,098,997.23/460,604.68 - Step 6: Final answer
x = 420,119.70
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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.