Finding the Fourth Proportional to 379,230.24, 523,335.84 and 209,463.84
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Solution
The fourth proportional to 379,230.24, 523,335.84 and 209,463.84 is: 289,059.05
Step by Step Solution
- Step 1: Write the proportion equation
379,230.24 : 523,335.84 = 209,463.84 : x - Step 2: Convert to fraction form
379,230.24/523,335.84 = 209,463.84/x - Step 3: Cross multiply
379,230.24x = 523,335.84 × 209,463.84 - Step 4: Simplify right side
379,230.24x = 109,619,934,656.03 - Step 5: Solve for x
x = 109,619,934,656.03/379,230.24 - Step 6: Final answer
x = 289,059.05
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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.