Finding the Fourth Proportional to 203,907.18, 281,388.14 and 113,259.54
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Solution
The fourth proportional to 203,907.18, 281,388.14 and 113,259.54 is: 156,296.07
Step by Step Solution
- Step 1: Write the proportion equation
203,907.18 : 281,388.14 = 113,259.54 : x - Step 2: Convert to fraction form
203,907.18/281,388.14 = 113,259.54/x - Step 3: Cross multiply
203,907.18x = 281,388.14 × 113,259.54 - Step 4: Simplify right side
203,907.18x = 31,869,891,297.86 - Step 5: Solve for x
x = 31,869,891,297.86/203,907.18 - Step 6: Final answer
x = 156,296.07
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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.