Finding the Fourth Proportional to 379,035.05, 523,069.47 and 206,954.49
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Solution
The fourth proportional to 379,035.05, 523,069.47 and 206,954.49 is: 285,597.81
Step by Step Solution
- Step 1: Write the proportion equation
379,035.05 : 523,069.47 = 206,954.49 : x - Step 2: Convert to fraction form
379,035.05/523,069.47 = 206,954.49/x - Step 3: Cross multiply
379,035.05x = 523,069.47 × 206,954.49 - Step 4: Simplify right side
379,035.05x = 108,251,577,359.93 - Step 5: Solve for x
x = 108,251,577,359.93/379,035.05 - Step 6: Final answer
x = 285,597.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.