Finding the Fourth Proportional to 284,536.12, 392,203.74 and 192,626.44
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Solution
The fourth proportional to 284,536.12, 392,203.74 and 192,626.44 is: 265,515.71
Step by Step Solution
- Step 1: Write the proportion equation
284,536.12 : 392,203.74 = 192,626.44 : x - Step 2: Convert to fraction form
284,536.12/392,203.74 = 192,626.44/x - Step 3: Cross multiply
284,536.12x = 392,203.74 × 192,626.44 - Step 4: Simplify right side
284,536.12x = 75,548,810,190.89 - Step 5: Solve for x
x = 75,548,810,190.89/284,536.12 - Step 6: Final answer
x = 265,515.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.