Finding the Fourth Proportional to 862,364.42, 1,293,735.97 and 255,105.19
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Solution
The fourth proportional to 862,364.42, 1,293,735.97 and 255,105.19 is: 382,713.80
Step by Step Solution
- Step 1: Write the proportion equation
862,364.42 : 1,293,735.97 = 255,105.19 : x - Step 2: Convert to fraction form
862,364.42/1,293,735.97 = 255,105.19/x - Step 3: Cross multiply
862,364.42x = 1,293,735.97 × 255,105.19 - Step 4: Simplify right side
862,364.42x = 330,038,760,937.77 - Step 5: Solve for x
x = 330,038,760,937.77/862,364.42 - Step 6: Final answer
x = 382,713.80
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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.