Finding the Fourth Proportional to 334,744.78, 461,744.94 and 198,689.08
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Solution
The fourth proportional to 334,744.78, 461,744.94 and 198,689.08 is: 274,070.52
Step by Step Solution
- Step 1: Write the proportion equation
334,744.78 : 461,744.94 = 198,689.08 : x - Step 2: Convert to fraction form
334,744.78/461,744.94 = 198,689.08/x - Step 3: Cross multiply
334,744.78x = 461,744.94 × 198,689.08 - Step 4: Simplify right side
334,744.78x = 91,743,677,323.26 - Step 5: Solve for x
x = 91,743,677,323.26/334,744.78 - Step 6: Final answer
x = 274,070.52
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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.