Finding the Fourth Proportional to 154,630.57, 213,390.21 and 94,201.19
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Solution
The fourth proportional to 154,630.57, 213,390.21 and 94,201.19 is: 129,997.66
Step by Step Solution
- Step 1: Write the proportion equation
154,630.57 : 213,390.21 = 94,201.19 : x - Step 2: Convert to fraction form
154,630.57/213,390.21 = 94,201.19/x - Step 3: Cross multiply
154,630.57x = 213,390.21 × 94,201.19 - Step 4: Simplify right side
154,630.57x = 20,101,611,716.35 - Step 5: Solve for x
x = 20,101,611,716.35/154,630.57 - Step 6: Final answer
x = 129,997.66
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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.