Finding the Fourth Proportional to 198,607.97, 274,080.28 and 107,964.71
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Solution
The fourth proportional to 198,607.97, 274,080.28 and 107,964.71 is: 148,992.01
Step by Step Solution
- Step 1: Write the proportion equation
198,607.97 : 274,080.28 = 107,964.71 : x - Step 2: Convert to fraction form
198,607.97/274,080.28 = 107,964.71/x - Step 3: Cross multiply
198,607.97x = 274,080.28 × 107,964.71 - Step 4: Simplify right side
198,607.97x = 29,590,999,382.19 - Step 5: Solve for x
x = 29,590,999,382.19/198,607.97 - Step 6: Final answer
x = 148,992.01
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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.