Finding the Fourth Proportional to 281,838.70, 421,773.90 and 197,201.80
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Solution
The fourth proportional to 281,838.70, 421,773.90 and 197,201.80 is: 295,114.09
Step by Step Solution
- Step 1: Write the proportion equation
281,838.70 : 421,773.90 = 197,201.80 : x - Step 2: Convert to fraction form
281,838.70/421,773.90 = 197,201.80/x - Step 3: Cross multiply
281,838.70x = 421,773.90 × 197,201.80 - Step 4: Simplify right side
281,838.70x = 83,174,572,273.02 - Step 5: Solve for x
x = 83,174,572,273.02/281,838.70 - Step 6: Final answer
x = 295,114.09
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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.