Finding the Fourth Proportional to 199,276.40, 274,441.54 and 194,921.84
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Solution
The fourth proportional to 199,276.40, 274,441.54 and 194,921.84 is: 268,444.48
Step by Step Solution
- Step 1: Write the proportion equation
199,276.40 : 274,441.54 = 194,921.84 : x - Step 2: Convert to fraction form
199,276.40/274,441.54 = 194,921.84/x - Step 3: Cross multiply
199,276.40x = 274,441.54 × 194,921.84 - Step 4: Simplify right side
199,276.40x = 53,494,649,949.23 - Step 5: Solve for x
x = 53,494,649,949.23/199,276.40 - Step 6: Final answer
x = 268,444.48
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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.