Finding the Fourth Proportional to 181,214.21, 271,701.34 and 86,459.02
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Solution
The fourth proportional to 181,214.21, 271,701.34 and 86,459.02 is: 129,631.28
Step by Step Solution
- Step 1: Write the proportion equation
181,214.21 : 271,701.34 = 86,459.02 : x - Step 2: Convert to fraction form
181,214.21/271,701.34 = 86,459.02/x - Step 3: Cross multiply
181,214.21x = 271,701.34 × 86,459.02 - Step 4: Simplify right side
181,214.21x = 23,491,030,693.69 - Step 5: Solve for x
x = 23,491,030,693.69/181,214.21 - Step 6: Final answer
x = 129,631.28
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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.