Finding the Fourth Proportional to 190,339.68, 285,198.03 and 115,232.19
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Solution
The fourth proportional to 190,339.68, 285,198.03 and 115,232.19 is: 172,659.71
Step by Step Solution
- Step 1: Write the proportion equation
190,339.68 : 285,198.03 = 115,232.19 : x - Step 2: Convert to fraction form
190,339.68/285,198.03 = 115,232.19/x - Step 3: Cross multiply
190,339.68x = 285,198.03 × 115,232.19 - Step 4: Simplify right side
190,339.68x = 32,863,993,580.59 - Step 5: Solve for x
x = 32,863,993,580.59/190,339.68 - Step 6: Final answer
x = 172,659.71
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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.