Finding the Fourth Proportional to 324,459.09, 447,748.88 and 181,221.21
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Solution
The fourth proportional to 324,459.09, 447,748.88 and 181,221.21 is: 250,082.66
Step by Step Solution
- Step 1: Write the proportion equation
324,459.09 : 447,748.88 = 181,221.21 : x - Step 2: Convert to fraction form
324,459.09/447,748.88 = 181,221.21/x - Step 3: Cross multiply
324,459.09x = 447,748.88 × 181,221.21 - Step 4: Simplify right side
324,459.09x = 81,141,592,903.64 - Step 5: Solve for x
x = 81,141,592,903.64/324,459.09 - Step 6: Final answer
x = 250,082.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.