Finding the Fourth Proportional to 281,560.58, 388,553.58 and 154,236.14
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Solution
The fourth proportional to 281,560.58, 388,553.58 and 154,236.14 is: 212,845.86
Step by Step Solution
- Step 1: Write the proportion equation
281,560.58 : 388,553.58 = 154,236.14 : x - Step 2: Convert to fraction form
281,560.58/388,553.58 = 154,236.14/x - Step 3: Cross multiply
281,560.58x = 388,553.58 × 154,236.14 - Step 4: Simplify right side
281,560.58x = 59,929,004,362.38 - Step 5: Solve for x
x = 59,929,004,362.38/281,560.58 - Step 6: Final answer
x = 212,845.86
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1.5x scale
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.