Finding the Fourth Proportional to 379,115.76, 523,295.58 and 233,965.92
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Solution
The fourth proportional to 379,115.76, 523,295.58 and 233,965.92 is: 322,944.45
Step by Step Solution
- Step 1: Write the proportion equation
379,115.76 : 523,295.58 = 233,965.92 : x - Step 2: Convert to fraction form
379,115.76/523,295.58 = 233,965.92/x - Step 3: Cross multiply
379,115.76x = 523,295.58 × 233,965.92 - Step 4: Simplify right side
379,115.76x = 122,433,331,806.63 - Step 5: Solve for x
x = 122,433,331,806.63/379,115.76 - Step 6: Final answer
x = 322,944.45
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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.