Finding the Fourth Proportional to 234,906.18, 324,167.02 and 138,120.96
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Solution
The fourth proportional to 234,906.18, 324,167.02 and 138,120.96 is: 190,604.86
Step by Step Solution
- Step 1: Write the proportion equation
234,906.18 : 324,167.02 = 138,120.96 : x - Step 2: Convert to fraction form
234,906.18/324,167.02 = 138,120.96/x - Step 3: Cross multiply
234,906.18x = 324,167.02 × 138,120.96 - Step 4: Simplify right side
234,906.18x = 44,774,260,002.74 - Step 5: Solve for x
x = 44,774,260,002.74/234,906.18 - Step 6: Final answer
x = 190,604.86
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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.