Finding the Fourth Proportional to 203,732.13, 281,120.49 and 113,088.87
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Solution
The fourth proportional to 203,732.13, 281,120.49 and 113,088.87 is: 156,046.07
Step by Step Solution
- Step 1: Write the proportion equation
203,732.13 : 281,120.49 = 113,088.87 : x - Step 2: Convert to fraction form
203,732.13/281,120.49 = 113,088.87/x - Step 3: Cross multiply
203,732.13x = 281,120.49 × 113,088.87 - Step 4: Simplify right side
203,732.13x = 31,791,598,547.95 - Step 5: Solve for x
x = 31,791,598,547.95/203,732.13 - Step 6: Final answer
x = 156,046.07
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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.