Finding the Fourth Proportional to 412,747.92, 619,122.01 and 272,473.74
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Solution
The fourth proportional to 412,747.92, 619,122.01 and 272,473.74 is: 408,710.69
Step by Step Solution
- Step 1: Write the proportion equation
412,747.92 : 619,122.01 = 272,473.74 : x - Step 2: Convert to fraction form
412,747.92/619,122.01 = 272,473.74/x - Step 3: Cross multiply
412,747.92x = 619,122.01 × 272,473.74 - Step 4: Simplify right side
412,747.92x = 168,694,486,485.41 - Step 5: Solve for x
x = 168,694,486,485.41/412,747.92 - Step 6: Final answer
x = 408,710.69
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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.