Finding the Fourth Proportional to 167,545.40, 251,361.84 and 87,588.68
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Solution
The fourth proportional to 167,545.40, 251,361.84 and 87,588.68 is: 131,405.89
Step by Step Solution
- Step 1: Write the proportion equation
167,545.40 : 251,361.84 = 87,588.68 : x - Step 2: Convert to fraction form
167,545.40/251,361.84 = 87,588.68/x - Step 3: Cross multiply
167,545.40x = 251,361.84 × 87,588.68 - Step 4: Simplify right side
167,545.40x = 22,016,451,767.97 - Step 5: Solve for x
x = 22,016,451,767.97/167,545.40 - Step 6: Final answer
x = 131,405.89
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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.