Finding the Fourth Proportional to 461,634.85, 637,343.97 and 298,376.68
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Solution
The fourth proportional to 461,634.85, 637,343.97 and 298,376.68 is: 411,945.89
Step by Step Solution
- Step 1: Write the proportion equation
461,634.85 : 637,343.97 = 298,376.68 : x - Step 2: Convert to fraction form
461,634.85/637,343.97 = 298,376.68/x - Step 3: Cross multiply
461,634.85x = 637,343.97 × 298,376.68 - Step 4: Simplify right side
461,634.85x = 190,168,577,786.62 - Step 5: Solve for x
x = 190,168,577,786.62/461,634.85 - Step 6: Final answer
x = 411,945.89
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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.