Finding the Fourth Proportional to 203,712.44, 281,117.79 and 113,068.17
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Solution
The fourth proportional to 203,712.44, 281,117.79 and 113,068.17 is: 156,031.09
Step by Step Solution
- Step 1: Write the proportion equation
203,712.44 : 281,117.79 = 113,068.17 : x - Step 2: Convert to fraction form
203,712.44/281,117.79 = 113,068.17/x - Step 3: Cross multiply
203,712.44x = 281,117.79 × 113,068.17 - Step 4: Simplify right side
203,712.44x = 31,785,474,069.74 - Step 5: Solve for x
x = 31,785,474,069.74/203,712.44 - Step 6: Final answer
x = 156,031.09
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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.