Finding the Fourth Proportional to 216,479.22, 324,581.28 and 189,878.62
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Solution
The fourth proportional to 216,479.22, 324,581.28 and 189,878.62 is: 284,697.28
Step by Step Solution
- Step 1: Write the proportion equation
216,479.22 : 324,581.28 = 189,878.62 : x - Step 2: Convert to fraction form
216,479.22/324,581.28 = 189,878.62/x - Step 3: Cross multiply
216,479.22x = 324,581.28 × 189,878.62 - Step 4: Simplify right side
216,479.22x = 61,631,045,524.23 - Step 5: Solve for x
x = 61,631,045,524.23/216,479.22 - Step 6: Final answer
x = 284,697.28
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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.