Finding the Fourth Proportional to 379,119.27, 523,184.68 and 209,353.26
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Solution
The fourth proportional to 379,119.27, 523,184.68 and 209,353.26 is: 288,907.55
Step by Step Solution
- Step 1: Write the proportion equation
379,119.27 : 523,184.68 = 209,353.26 : x - Step 2: Convert to fraction form
379,119.27/523,184.68 = 209,353.26/x - Step 3: Cross multiply
379,119.27x = 523,184.68 × 209,353.26 - Step 4: Simplify right side
379,119.27x = 109,530,418,340.06 - Step 5: Solve for x
x = 109,530,418,340.06/379,119.27 - Step 6: Final answer
x = 288,907.55
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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.