Finding the Fourth Proportional to 216,548.92, 324,742.50 and 74,353.84
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Solution
The fourth proportional to 216,548.92, 324,742.50 and 74,353.84 is: 111,502.99
Step by Step Solution
- Step 1: Write the proportion equation
216,548.92 : 324,742.50 = 74,353.84 : x - Step 2: Convert to fraction form
216,548.92/324,742.50 = 74,353.84/x - Step 3: Cross multiply
216,548.92x = 324,742.50 × 74,353.84 - Step 4: Simplify right side
216,548.92x = 24,145,851,886.20 - Step 5: Solve for x
x = 24,145,851,886.20/216,548.92 - Step 6: Final answer
x = 111,502.99
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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.