Finding the Fourth Proportional to 379,204.23, 523,409.85 and 224,299.02
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Solution
The fourth proportional to 379,204.23, 523,409.85 and 224,299.02 is: 309,596.54
Step by Step Solution
- Step 1: Write the proportion equation
379,204.23 : 523,409.85 = 224,299.02 : x - Step 2: Convert to fraction form
379,204.23/523,409.85 = 224,299.02/x - Step 3: Cross multiply
379,204.23x = 523,409.85 × 224,299.02 - Step 4: Simplify right side
379,204.23x = 117,400,318,376.13 - Step 5: Solve for x
x = 117,400,318,376.13/379,204.23 - Step 6: Final answer
x = 309,596.54
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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.