Finding the Fourth Proportional to 327,089.80, 490,634.70 and 327,089.80
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Solution
The fourth proportional to 327,089.80, 490,634.70 and 327,089.80 is: 490,634.70
Step by Step Solution
- Step 1: Write the proportion equation
327,089.80 : 490,634.70 = 327,089.80 : x - Step 2: Convert to fraction form
327,089.80/490,634.70 = 327,089.80/x - Step 3: Cross multiply
327,089.80x = 490,634.70 × 327,089.80 - Step 4: Simplify right side
327,089.80x = 160,481,605,896.06 - Step 5: Solve for x
x = 160,481,605,896.06/327,089.80 - Step 6: Final answer
x = 490,634.70
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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.