Finding the Fourth Proportional to 187,382.58, 258,594.57 and 106,797.09
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Solution
The fourth proportional to 187,382.58, 258,594.57 and 106,797.09 is: 147,383.75
Step by Step Solution
- Step 1: Write the proportion equation
187,382.58 : 258,594.57 = 106,797.09 : x - Step 2: Convert to fraction form
187,382.58/258,594.57 = 106,797.09/x - Step 3: Cross multiply
187,382.58x = 258,594.57 × 106,797.09 - Step 4: Simplify right side
187,382.58x = 27,617,147,565.80 - Step 5: Solve for x
x = 27,617,147,565.80/187,382.58 - Step 6: Final answer
x = 147,383.75
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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.