Finding the Fourth Proportional to 394,130.84, 591,208.86 and 154,235.24
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Solution
The fourth proportional to 394,130.84, 591,208.86 and 154,235.24 is: 231,357.79
Step by Step Solution
- Step 1: Write the proportion equation
394,130.84 : 591,208.86 = 154,235.24 : x - Step 2: Convert to fraction form
394,130.84/591,208.86 = 154,235.24/x - Step 3: Cross multiply
394,130.84x = 591,208.86 × 154,235.24 - Step 4: Simplify right side
394,130.84x = 91,185,240,412.23 - Step 5: Solve for x
x = 91,185,240,412.23/394,130.84 - Step 6: Final answer
x = 231,357.79
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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.