Finding the Fourth Proportional to 271,621.80, 407,432.70 and 197,893.80
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Solution
The fourth proportional to 271,621.80, 407,432.70 and 197,893.80 is: 296,840.70
Step by Step Solution
- Step 1: Write the proportion equation
271,621.80 : 407,432.70 = 197,893.80 : x - Step 2: Convert to fraction form
271,621.80/407,432.70 = 197,893.80/x - Step 3: Cross multiply
271,621.80x = 407,432.70 × 197,893.80 - Step 4: Simplify right side
271,621.80x = 80,628,405,247.26 - Step 5: Solve for x
x = 80,628,405,247.26/271,621.80 - Step 6: Final answer
x = 296,840.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.