Finding the Fourth Proportional to 379,409.87, 523,586.99 and 207,327.84
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Solution
The fourth proportional to 379,409.87, 523,586.99 and 207,327.84 is: 286,113.17
Step by Step Solution
- Step 1: Write the proportion equation
379,409.87 : 523,586.99 = 207,327.84 : x - Step 2: Convert to fraction form
379,409.87/523,586.99 = 207,327.84/x - Step 3: Cross multiply
379,409.87x = 523,586.99 × 207,327.84 - Step 4: Simplify right side
379,409.87x = 108,554,160,022.63 - Step 5: Solve for x
x = 108,554,160,022.63/379,409.87 - Step 6: Final answer
x = 286,113.17
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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.