Finding the Fourth Proportional to 397,765.08, 596,647.56 and 279,961.92
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Solution
The fourth proportional to 397,765.08, 596,647.56 and 279,961.92 is: 419,942.84
Step by Step Solution
- Step 1: Write the proportion equation
397,765.08 : 596,647.56 = 279,961.92 : x - Step 2: Convert to fraction form
397,765.08/596,647.56 = 279,961.92/x - Step 3: Cross multiply
397,765.08x = 596,647.56 × 279,961.92 - Step 4: Simplify right side
397,765.08x = 167,038,596,460.92 - Step 5: Solve for x
x = 167,038,596,460.92/397,765.08 - Step 6: Final answer
x = 419,942.84
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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.