Finding the Fourth Proportional to 397,213.26, 546,954.28 and 342,297.69
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Solution
The fourth proportional to 397,213.26, 546,954.28 and 342,297.69 is: 471,336.70
Step by Step Solution
- Step 1: Write the proportion equation
397,213.26 : 546,954.28 = 342,297.69 : x - Step 2: Convert to fraction form
397,213.26/546,954.28 = 342,297.69/x - Step 3: Cross multiply
397,213.26x = 546,954.28 × 342,297.69 - Step 4: Simplify right side
397,213.26x = 187,221,186,579.61 - Step 5: Solve for x
x = 187,221,186,579.61/397,213.26 - Step 6: Final answer
x = 471,336.70
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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.