Finding the Fourth Proportional to 376,527.97, 519,612.21 and 206,765.65
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Solution
The fourth proportional to 376,527.97, 519,612.21 and 206,765.65 is: 285,338.57
Step by Step Solution
- Step 1: Write the proportion equation
376,527.97 : 519,612.21 = 206,765.65 : x - Step 2: Convert to fraction form
376,527.97/519,612.21 = 206,765.65/x - Step 3: Cross multiply
376,527.97x = 519,612.21 × 206,765.65 - Step 4: Simplify right side
376,527.97x = 107,437,952,716.70 - Step 5: Solve for x
x = 107,437,952,716.70/376,527.97 - Step 6: Final answer
x = 285,338.57
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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.