Finding the Fourth Proportional to 394,040.12, 590,952.49 and 141,273.63
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Solution
The fourth proportional to 394,040.12, 590,952.49 and 141,273.63 is: 211,871.84
Step by Step Solution
- Step 1: Write the proportion equation
394,040.12 : 590,952.49 = 141,273.63 : x - Step 2: Convert to fraction form
394,040.12/590,952.49 = 141,273.63/x - Step 3: Cross multiply
394,040.12x = 590,952.49 × 141,273.63 - Step 4: Simplify right side
394,040.12x = 83,486,003,066.65 - Step 5: Solve for x
x = 83,486,003,066.65/394,040.12 - Step 6: Final answer
x = 211,871.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.