Finding the Fourth Proportional to 204,158.66, 281,754.73 and 122,489.98
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Solution
The fourth proportional to 204,158.66, 281,754.73 and 122,489.98 is: 169,045.65
Step by Step Solution
- Step 1: Write the proportion equation
204,158.66 : 281,754.73 = 122,489.98 : x - Step 2: Convert to fraction form
204,158.66/281,754.73 = 122,489.98/x - Step 3: Cross multiply
204,158.66x = 281,754.73 × 122,489.98 - Step 4: Simplify right side
204,158.66x = 34,512,131,587.20 - Step 5: Solve for x
x = 34,512,131,587.20/204,158.66 - Step 6: Final answer
x = 169,045.65
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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.