Finding the Fourth Proportional to 190,132.38, 285,205.86 and 84,952.26
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Solution
The fourth proportional to 190,132.38, 285,205.86 and 84,952.26 is: 127,431.65
Step by Step Solution
- Step 1: Write the proportion equation
190,132.38 : 285,205.86 = 84,952.26 : x - Step 2: Convert to fraction form
190,132.38/285,205.86 = 84,952.26/x - Step 3: Cross multiply
190,132.38x = 285,205.86 × 84,952.26 - Step 4: Simplify right side
190,132.38x = 24,228,882,372.24 - Step 5: Solve for x
x = 24,228,882,372.24/190,132.38 - Step 6: Final answer
x = 127,431.65
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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.