Finding the Fourth Proportional to 412,747.67, 619,121.64 and 272,473.49
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Solution
The fourth proportional to 412,747.67, 619,121.64 and 272,473.49 is: 408,710.32
Step by Step Solution
- Step 1: Write the proportion equation
412,747.67 : 619,121.64 = 272,473.49 : x - Step 2: Convert to fraction form
412,747.67/619,121.64 = 272,473.49/x - Step 3: Cross multiply
412,747.67x = 619,121.64 × 272,473.49 - Step 4: Simplify right side
412,747.67x = 168,694,229,527.35 - Step 5: Solve for x
x = 168,694,229,527.35/412,747.67 - Step 6: Final answer
x = 408,710.32
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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.