Finding the Fourth Proportional to 487,965.97, 673,414.09 and 270,174.65
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Solution
The fourth proportional to 487,965.97, 673,414.09 and 270,174.65 is: 372,852.67
Step by Step Solution
- Step 1: Write the proportion equation
487,965.97 : 673,414.09 = 270,174.65 : x - Step 2: Convert to fraction form
487,965.97/673,414.09 = 270,174.65/x - Step 3: Cross multiply
487,965.97x = 673,414.09 × 270,174.65 - Step 4: Simplify right side
487,965.97x = 181,939,412,028.31 - Step 5: Solve for x
x = 181,939,412,028.31/487,965.97 - Step 6: Final answer
x = 372,852.67
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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.