Finding the Fourth Proportional to 97,236.38, 145,879.16 and 27,115.70
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Solution
The fourth proportional to 97,236.38, 145,879.16 and 27,115.70 is: 40,680.40
Step by Step Solution
- Step 1: Write the proportion equation
97,236.38 : 145,879.16 = 27,115.70 : x - Step 2: Convert to fraction form
97,236.38/145,879.16 = 27,115.70/x - Step 3: Cross multiply
97,236.38x = 145,879.16 × 27,115.70 - Step 4: Simplify right side
97,236.38x = 3,955,614,877.21 - Step 5: Solve for x
x = 3,955,614,877.21/97,236.38 - Step 6: Final answer
x = 40,680.40
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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.