Finding the Fourth Proportional to 379,711.80, 569,596.86 and 113,451.84
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Solution
The fourth proportional to 379,711.80, 569,596.86 and 113,451.84 is: 170,186.47
Step by Step Solution
- Step 1: Write the proportion equation
379,711.80 : 569,596.86 = 113,451.84 : x - Step 2: Convert to fraction form
379,711.80/569,596.86 = 113,451.84/x - Step 3: Cross multiply
379,711.80x = 569,596.86 × 113,451.84 - Step 4: Simplify right side
379,711.80x = 64,621,811,825.22 - Step 5: Solve for x
x = 64,621,811,825.22/379,711.80 - Step 6: Final answer
x = 170,186.47
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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.