Finding the Fourth Proportional to 203,830.29, 281,276.35 and 113,192.03
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Solution
The fourth proportional to 203,830.29, 281,276.35 and 113,192.03 is: 156,199.76
Step by Step Solution
- Step 1: Write the proportion equation
203,830.29 : 281,276.35 = 113,192.03 : x - Step 2: Convert to fraction form
203,830.29/281,276.35 = 113,192.03/x - Step 3: Cross multiply
203,830.29x = 281,276.35 × 113,192.03 - Step 4: Simplify right side
203,830.29x = 31,838,241,467.70 - Step 5: Solve for x
x = 31,838,241,467.70/203,830.29 - Step 6: Final answer
x = 156,199.76
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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.