Finding the Fourth Proportional to 515,485.05, 773,338.79 and 155,626.03
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Solution
The fourth proportional to 515,485.05, 773,338.79 and 155,626.03 is: 233,472.62
Step by Step Solution
- Step 1: Write the proportion equation
515,485.05 : 773,338.79 = 155,626.03 : x - Step 2: Convert to fraction form
515,485.05/773,338.79 = 155,626.03/x - Step 3: Cross multiply
515,485.05x = 773,338.79 × 155,626.03 - Step 4: Simplify right side
515,485.05x = 120,351,645,732.70 - Step 5: Solve for x
x = 120,351,645,732.70/515,485.05 - Step 6: Final answer
x = 233,472.62
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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.