Finding the Fourth Proportional to 154,135.92, 231,219.26 and 41,817.99
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Solution
The fourth proportional to 154,135.92, 231,219.26 and 41,817.99 is: 62,731.16
Step by Step Solution
- Step 1: Write the proportion equation
154,135.92 : 231,219.26 = 41,817.99 : x - Step 2: Convert to fraction form
154,135.92/231,219.26 = 41,817.99/x - Step 3: Cross multiply
154,135.92x = 231,219.26 × 41,817.99 - Step 4: Simplify right side
154,135.92x = 9,669,124,702.49 - Step 5: Solve for x
x = 9,669,124,702.49/154,135.92 - Step 6: Final answer
x = 62,731.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.