Finding the Fourth Proportional to 153,845.40, 212,230.62 and 132,588.12
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Solution
The fourth proportional to 153,845.40, 212,230.62 and 132,588.12 is: 182,906.08
Step by Step Solution
- Step 1: Write the proportion equation
153,845.40 : 212,230.62 = 132,588.12 : x - Step 2: Convert to fraction form
153,845.40/212,230.62 = 132,588.12/x - Step 3: Cross multiply
153,845.40x = 212,230.62 × 132,588.12 - Step 4: Simplify right side
153,845.40x = 28,139,258,912.23 - Step 5: Solve for x
x = 28,139,258,912.23/153,845.40 - Step 6: Final answer
x = 182,906.08
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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.