Finding the Fourth Proportional to 449,680.68, 620,594.73 and 256,096.59
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Solution
The fourth proportional to 449,680.68, 620,594.73 and 256,096.59 is: 353,433.45
Step by Step Solution
- Step 1: Write the proportion equation
449,680.68 : 620,594.73 = 256,096.59 : x - Step 2: Convert to fraction form
449,680.68/620,594.73 = 256,096.59/x - Step 3: Cross multiply
449,680.68x = 620,594.73 × 256,096.59 - Step 4: Simplify right side
449,680.68x = 158,932,194,124.97 - Step 5: Solve for x
x = 158,932,194,124.97/449,680.68 - Step 6: Final answer
x = 353,433.45
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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.