Finding the Fourth Proportional to 274,765.68, 412,207.56 and 85,222.08
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Solution
The fourth proportional to 274,765.68, 412,207.56 and 85,222.08 is: 127,851.43
Step by Step Solution
- Step 1: Write the proportion equation
274,765.68 : 412,207.56 = 85,222.08 : x - Step 2: Convert to fraction form
274,765.68/412,207.56 = 85,222.08/x - Step 3: Cross multiply
274,765.68x = 412,207.56 × 85,222.08 - Step 4: Simplify right side
274,765.68x = 35,129,185,654.92 - Step 5: Solve for x
x = 35,129,185,654.92/274,765.68 - Step 6: Final answer
x = 127,851.43
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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.