Finding the Fourth Proportional to 334,615.78, 461,566.92 and 198,560.08
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Solution
The fourth proportional to 334,615.78, 461,566.92 and 198,560.08 is: 273,892.54
Step by Step Solution
- Step 1: Write the proportion equation
334,615.78 : 461,566.92 = 198,560.08 : x - Step 2: Convert to fraction form
334,615.78/461,566.92 = 198,560.08/x - Step 3: Cross multiply
334,615.78x = 461,566.92 × 198,560.08 - Step 4: Simplify right side
334,615.78x = 91,648,764,560.55 - Step 5: Solve for x
x = 91,648,764,560.55/334,615.78 - Step 6: Final answer
x = 273,892.54
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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.