Finding the Fourth Proportional to 203,853.14, 281,326.74 and 113,209.50
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Solution
The fourth proportional to 203,853.14, 281,326.74 and 113,209.50 is: 156,234.34
Step by Step Solution
- Step 1: Write the proportion equation
203,853.14 : 281,326.74 = 113,209.50 : x - Step 2: Convert to fraction form
203,853.14/281,326.74 = 113,209.50/x - Step 3: Cross multiply
203,853.14x = 281,326.74 × 113,209.50 - Step 4: Simplify right side
203,853.14x = 31,848,859,572.03 - Step 5: Solve for x
x = 31,848,859,572.03/203,853.14 - Step 6: Final answer
x = 156,234.34
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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.