Finding the Fourth Proportional to 280,114.92, 420,062.88 and 97,699.68
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Solution
The fourth proportional to 280,114.92, 420,062.88 and 97,699.68 is: 146,511.33
Step by Step Solution
- Step 1: Write the proportion equation
280,114.92 : 420,062.88 = 97,699.68 : x - Step 2: Convert to fraction form
280,114.92/420,062.88 = 97,699.68/x - Step 3: Cross multiply
280,114.92x = 420,062.88 × 97,699.68 - Step 4: Simplify right side
280,114.92x = 41,040,008,955.88 - Step 5: Solve for x
x = 41,040,008,955.88/280,114.92 - Step 6: Final answer
x = 146,511.33
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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.