Finding the Fourth Proportional to 203,840.98, 281,291.07 and 113,202.70
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Solution
The fourth proportional to 203,840.98, 281,291.07 and 113,202.70 is: 156,214.46
Step by Step Solution
- Step 1: Write the proportion equation
203,840.98 : 281,291.07 = 113,202.70 : x - Step 2: Convert to fraction form
203,840.98/281,291.07 = 113,202.70/x - Step 3: Cross multiply
203,840.98x = 281,291.07 × 113,202.70 - Step 4: Simplify right side
203,840.98x = 31,842,908,609.89 - Step 5: Solve for x
x = 31,842,908,609.89/203,840.98 - Step 6: Final answer
x = 156,214.46
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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.