Finding the Fourth Proportional to 154,279.77, 231,511.62 and 68,883.99
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Solution
The fourth proportional to 154,279.77, 231,511.62 and 68,883.99 is: 103,367.05
Step by Step Solution
- Step 1: Write the proportion equation
154,279.77 : 231,511.62 = 68,883.99 : x - Step 2: Convert to fraction form
154,279.77/231,511.62 = 68,883.99/x - Step 3: Cross multiply
154,279.77x = 231,511.62 × 68,883.99 - Step 4: Simplify right side
154,279.77x = 15,947,444,116.96 - Step 5: Solve for x
x = 15,947,444,116.96/154,279.77 - Step 6: Final answer
x = 103,367.05
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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.