Finding the Fourth Proportional to 369,176.97, 509,464.43 and 199,411.09
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Solution
The fourth proportional to 369,176.97, 509,464.43 and 199,411.09 is: 275,187.42
Step by Step Solution
- Step 1: Write the proportion equation
369,176.97 : 509,464.43 = 199,411.09 : x - Step 2: Convert to fraction form
369,176.97/509,464.43 = 199,411.09/x - Step 3: Cross multiply
369,176.97x = 509,464.43 × 199,411.09 - Step 4: Simplify right side
369,176.97x = 101,592,857,302.53 - Step 5: Solve for x
x = 101,592,857,302.53/369,176.97 - Step 6: Final answer
x = 275,187.42
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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.